Story2Book Docs
Open BookForge Tool
BookForge Engine v4.2 Documentation

Official BookForge User Guide & Technical Manual

Welcome to the official developer and publisher documentation for BookForge Engine by Story2Book. BookForge is an enterprise-grade, client-side typesetting studio running entirely inside your Web Browser. It automatically parses raw manuscripts, applies mathematical typography reflow, embeds multi-asset illustrations, and compiles Amazon KDP print-ready PDFs in seconds.

Story2Book Introduction screenshot
Story2Book Introduction
Book Settings Dashboard Overview screenshot
Book Settings Dashboard Overview

1. Cover Design & Wrapper Assets

Handles live browser-based artwork rendering, client-side image processing, and automatic wrapper alignment for both print paperbacks and digital preview documents.
Available Options & Controls
  • Front Cover Art Upload: Accepts PNG, JPG, or WebP artwork. Automatically scales artwork to form Page 1 of the generated PDF document.
  • Back Cover Art Upload: Formats artwork specifically for paperback rear wrapper print specifications.
  • Cover Fallback Toggle: Automatically detaches cover compilation if no image file is loaded, bypassing directly to the title page without generating blank pages.
Step-by-Step Guide
  1. Navigate to the Cover Studio module in the control sidebar.
  2. Click Upload Front Cover and select your high-resolution cover image file.
  3. (Optional) Upload a matching rear cover file under Upload Back Cover.
  4. Preview the instant live thumbnail inside the canvas area.
  5. Export your PDF document; Page 1 will automatically render as your print cover.
Real Example
Input Action

Uploaded file: fantasy_novel_cover_6x9.png (Size: 1800 x 2700 px)

Engine Result

The engine builds exact 6x9 inch Page 1 vector bounds and embeds the artwork cleanly with 0 margin bleed errors.

Best Practices
  • Use 300 DPI images matching your exact target book trim size ratio (e.g., 1800x2700px for 6x9 in).
  • Keep front cover text centered or clear of the outer 0.25-inch trim bleed margin.
Common Mistakes
  • ❌ Uploading low-resolution thumbnail images (e.g., 400x600px), causing blurry physical prints.
  • ❌ Uploading landscape orientation images for a portrait paperback cover.
Pro Tip
If you are publishing on Amazon KDP, leave the back cover field blank if you plan to use KDP's dynamic barcode generator during upload!
Technical Note
Cover assets are stored temporarily in browser RAM (Blob URLs) and are never uploaded to any remote server, protecting your unreleased intellectual property 100%.
Cover Design screenshot
Cover Design

2. Manuscript Input & Import Engine

Loads, parses, and structures raw manuscript text directly into the client-side typesetting matrix, supporting real-time word counting and Markdown structure parsing.
Available Options & Controls
  • Direct Text Editor: High-performance text input area with active Word Count and Character Count tracking.
  • File Upload Engine (.txt / .md): Drag-and-drop or click to load entire manuscript files instantly into browser memory.
  • Clear All Text Button: Resets the manuscript editor with one click.
  • Smart Structural Parsing: Automatically converts Markdown structural markers (#, ##, ###, **) into book headings.
Step-by-Step Guide
  1. Open the Manuscript Input Engine section.
  2. Click Upload Full Manuscript File to select your .txt or .md manuscript, or directly paste your text.
  3. Verify that chapter titles start with ## for automatic page breaks.
  4. Check the real-time word counter to confirm full document load.
Real Example
Raw Manuscript Input
## CHAPTER 1 — THE JOURNEY BEGINS
The cold morning wind swept across the mountain path.
Engine Result

Triggers a hard page break, generates a styled Chapter Header, and registers "CHAPTER 1 — THE JOURNEY BEGINS" into the Table of Contents.

Best Practices
  • Format your manuscript using Markdown syntax before importing.
  • Ensure there are blank lines between paragraphs for optimal line reflow calculations.
Common Mistakes
  • ❌ Pasting formatted MS Word text with hidden non-standard control characters.
  • ❌ Using standard single hashes (#) for chapters instead of double hashes (##).
Pro Tip
If text appears before your first ## Chapter heading, BookForge automatically formats it into an elegant, unnumbered "Prologue" section!
Manuscript Input Engine screenshot
Manuscript Input Engine

3. Markdown Formatting Syntax & Structural Rules

Instead of manually adjusting font sizes or adding empty line spaces, use these clean Markdown formatting rules inside your raw manuscript file:
A. Automatic Chapter Breaks (##)

Starting a line with two hashes (##) instructs the engine to trigger an automatic page break and start a new chapter on a fresh page. It formats the heading and registers an entry in the Table of Contents.

Syntax
## CHAPTER 1 – THE CURSED INHERITANCE
B. Section Subheadings (###)

Starting a line with three hashes (###) creates an in-chapter subheading. Subheadings do not trigger page breaks; they render inline with professional letter spacing and optional divider lines.

Syntax
### Arrival at Blackwood Manor
C. Standalone Bold Headlines (**Text**)

Wrapping text in double asterisks on its own standalone line (**Headline**) converts it into a prominent, centered headline or section ending marker.

Syntax
**THE FIRST NIGHT’S WHISPERS** or **THE END**
D. Structural Part Headings (#)

A single hash (#) formats major book divisions or part sections.

Syntax
# PART ONE
E. Scene Break Markers (***)

Placing three asterisks on an empty line (***) generates an ornamental scene break divider.

Syntax
***

4. Inline Story Images & Multi-Asset Engine

Enables authors to embed illustrations, diagrams, maps, and visual assets directly between story paragraphs with total pagination control.
Available Options & Controls
  • Dynamic Token Slots: Generates unique identifiers (e.g., [[IMAGE-1]], [[IMAGE-2]]) for every uploaded graphic.
  • Display Width Slider: Scale image width from 10% to 100% of printable text width.
  • Alignment Selector: Position images Left, Center, or Right.
  • Fit Modes: Toggle between Contain Ratio (preserves original aspect ratio) or Fit Text Width.
  • Padding & Captions: Fine-tune top/bottom padding (6pt–18pt) and attach optional italicized descriptions.
Step-by-Step Guide
  1. Expand the Inline Story Images panel.
  2. Click Add Another Image to create a slot and upload an image file.
  3. Click Copy Marker to copy the token (e.g., [[IMAGE-1]]).
  4. Paste the token into your manuscript exactly where the image should appear.
  5. Adjust width, alignment, and caption as needed.
Real Example
Manuscript Text Input
They unlocked the ancient chest.

[[IMAGE-1]]

Inside lay the gilded compass.
Engine Result

The uploaded illustration renders between the two paragraphs, centered at your chosen percentage width.

Best Practices
  • Compress high-resolution artwork to JPG or WebP under 500 KB before uploading.
  • Place image tokens on their own standalone line in the manuscript.
Common Mistakes
  • ❌ Uploading 10 MB PNG files, which slows down client-side PDF rendering speed.
  • ❌ Typing tokens incorrectly (e.g., writing [IMAGE 1] instead of [[IMAGE-1]]).
Pro Tip for Lightning-Fast PDF Downloads
When uploading inline story images, try compressing high-resolution images prior to uploading. Reducing large 1MB–3MB image files down to under 500KB will significantly accelerate client-side PDF generation speed while maintaining crisp, professional print quality!
Inline Story Images screenshot
Inline Story Images
Adding Multiple Inline Images screenshot
Adding Multiple Inline Images

5. Book Metadata & Frontmatter Architecture

Configures structural frontmatter and backmatter (Title Page, Copyright, Dedication, Author Bio) to assemble standard publishing structures dynamically.
Available Options & Controls
  • Book Title & Subtitle: Populates header pages and running header pagination.
  • Author Name: Appears on title cards and links to author biography pages.
  • Copyright Page Text: Generates industry-compliant legal copyright text with custom years and ISBN numbers.
  • Dedication Page Text: Centers personal dedication text on an isolated front page.
  • About Author Section: Formats a dedicated closing biography page at the end of the manuscript.
Step-by-Step Guide
  1. Open the Book Metadata & Frontmatter tab.
  2. Fill in your Book Title, Subtitle, and Author Name.
  3. Enter copyright details (e.g., "© 2026 All Rights Reserved").
  4. (Optional) Enter your Dedication text and Author Bio.
Real Example
Dedication Input
For Sarah — who always believed in the magic.
Engine Result

Renders a standalone page right after the copyright page with italicized, centered text.

Best Practices
  • Leave optional fields (like Dedication) empty if not needed; the engine automatically removes unnecessary blank pages.
Common Mistakes
  • ❌ Repeating the Book Title inside the manuscript body text, creating duplicate title pages.
Technical Note
Frontmatter pagination uses classical Roman numerals (i, ii, iii) automatically, switching to Arabic numerals (1, 2, 3) starting at Chapter 1.
Book Metadata & Frontmatter screenshot
Book Metadata & Frontmatter

6. Typographic Matrix & Spacing Architecture

Controls total paper geometry, trim dimensions, paper stock backgrounds, font engine selection, and hyphenation rules.
Available Options & Controls
  • Trim Size Matrix: Choose between 6x9 in (Standard Novel), 5x8 in (Novella), A5 (International), or Letter size.
  • Paper Stock Palette: Select White, Natural, Cream, Ivory, or Soft Gray paper background simulation.
  • Font Engines: Classic Serif (Times), Modern Sans (Helvetica), Typewriter (Courier), or Custom Font Upload (.TTF/.OTF).
  • Widow & Orphan Control: Toggle prevention of single trailing lines at top/bottom margins.
  • Base Spacing Controls: Base Font Size (10–12pt), Line Height (1.3x–1.7x), Paragraph Spacing (0–12pt), and Margins (0.50–1.00 in).
Step-by-Step Guide
  1. Select Typography Matrix & Spacing Architecture in the settings menu.
  2. Choose your publication Trim Size (e.g., 6 x 9 in).
  3. Select your target font family or click Upload Custom Font for custom .TTF files.
  4. Adjust base margin and line spacing sliders.
Real Example
Custom Font Action

Uploaded: Cinzel-Regular.ttf (Hindi / Devanagari or Custom Serif)

Engine Result

Embeds the custom vector glyphs into the PDF compiler, rendering non-Latin and custom typefaces cleanly.

Best Practices
  • Use 6x9 in trim with 0.75 in margins for standard fiction novels.
  • Always leave Widow & Orphan Control ON for professional print quality.
Common Mistakes
  • ❌ Setting margins under 0.5 inches, which causes Amazon KDP print reject errors.
Pro Tip
Using Cream paper simulation gives digital previews a traditional published feel and reduces screen glare while proofreading!
Typography Matrix & Spacing screenshot
Typography Matrix & Spacing
Trim Size Selection screenshot
Trim Size Selection
Paper Palette Options screenshot
Paper Palette Options

7. Book Layout Studio (Micro-Control Suite)

The Book Layout Studio is a micro-typesetting studio inside BookForge that gives you complete granular control over every single structural element of your book — from chapter label scaling to custom drop caps and word spacing.
Detailed Control Modules & Options
  • 1. Chapter Controls (Chapter Number Label): Adjust Font Size (6pt–30pt), Font Weight (Normal/Bold), Letter Spacing (-1pt to 12pt), Text Alignment (Left/Center/Right), Space Above (0–40pt), and Space Below (0–40pt).
  • 2. Chapter Title Controls: Fine-tune Title Font Size (10pt–40pt), Weight, Letter Spacing, Line Height (1.0x–2.2x), Alignment, Space Above, and Space Below.
  • 3. Subheading Controls: Set Subheading Font Size (8pt–24pt), Weight, Letter Spacing, Alignment, Space Above/Below, and toggle Apply to all subheadings automatically.
  • 4. Paragraph Controls: Toggle First Line Indent ON/OFF, adjust Indent Width (6pt–48pt), Paragraph Space Before (0–30pt), Paragraph Space After (0–30pt), Alignment (Justified/Left/Center/Right), and toggle Indent First Paragraph After Chapter (default OFF).
  • 5. Body Text Controls: Micro-tune Font Size (8pt–16pt), Line Height Multipliers (1.0x–2.2x), Letter Spacing (-1pt to 8pt), and Word Spacing (0pt–10pt).
  • 6. Drop Cap Controls: Toggle Drop Cap ON/OFF, set Drop Cap Scale (2.0x–9.0x), Line Span (1 to 6 lines), Distance From Text (0–20pt), and select a custom color via color picker.
  • 7. Divider Controls: Custom Divider Width (40%–160%), Thickness (40%–220%), Alignment (Left/Center), Space Above/Below, and Custom Color override.
  • 8. Decorative Controls: Fine-tune Decorative Asset Size (50%–150%), Position (Top Header vs. Bottom Postscript), Opacity (20%–100%), and Space Above/Below.
  • 9. Live Layout Preview Box: Displays a real-time, interactive CSS preview of your active chapter layout as you adjust sliders.
Step-by-Step Guide
  1. Expand the Book Layout Studio accordion panel.
  2. Open Drop Cap Controls and set Drop Cap to Enabled, set Lines Occupied to 3, and choose a primary accent color.
  3. Open Paragraph Controls and set Indent Width to 18pt.
  4. Check the Live Layout Preview Box at the bottom of the section to verify layout changes in real-time.
  5. (Optional) Click Reset Section on any module or Reset All Layout Settings at the bottom to restore defaults.
Real Example
Layout Studio Configuration

Drop Cap: Enabled (3 Lines, Color: #2563eb) | Indent: 18pt | Body Font Size: 11pt | Line Height: 1.5x

Engine Result

Renders a 3-line tall royal blue drop cap on the first paragraph, while all subsequent paragraphs carry an 18pt first-line indent with 1.5x line height.

Best Practices
  • Keep Indent First Paragraph After Chapter disabled for traditional fiction novel layouts.
  • Use 2 or 3 lines span for drop caps to maintain clean body line flow.
Common Mistakes
  • ❌ Enabling both Drop Cap AND First Line Indent on the first paragraph, creating awkward spacing.
Pro Tip
Selecting a new Chapter Decoration preset in Section 9 reloads the studio with that genre's defaults without altering your original global presets!
Book Layout Studio screenshot
Book Layout Studio
Chapter Controls screenshot
Chapter Controls
Paragraph Controls screenshot
Paragraph Controls


9. Scene Break Dividers

Converts triple asterisk syntax (***) into styled decorative dividers separating sub-scenes within chapters.
Available Options & Controls
  • Preset Glyphs: Select Asterisks (***), Floral Heart (❦), Diamond Geometric (❖), or Tilde Waves (~ ~ ~).
  • Custom Graphic Divider: Upload custom PNG divider graphics.
  • Scaling & Padding: Fine-tune divider size and vertical spacing.
Step-by-Step Guide
  1. Type *** on an empty line in your manuscript where a scene ends.
  2. Open Scene Break Divider settings.
  3. Choose your divider glyph (e.g., Floral Heart ❦).
Real Example
Manuscript Input
He left without saying a word.

***

Three days later in London...
Engine Result

Replaces *** with a centered ❦ symbol padded with 12pt top and bottom spacing.

Best Practices
  • Use subtle, clean symbols that match your book's genre (e.g., ❦ for Romance, ❖ for Fantasy).
Common Mistakes
  • ❌ Typing scene break markers inline inside standard text paragraphs.
Pro Tip
You can upload custom vector PNG dividers for a unique branding signature!

10. Chapter Start Styles & Decoration Assets

Applies professional typographic themes and ornamental graphics across every chapter-opening element — the Chapter Label, the Chapter Title, and any Subheading — plus fine-grained control over each decoration independently.
Chapter Start Style Presets (10 Total)
  • Centered Serif: Classic centered layout with a thin divider beneath the subheading.
  • Left Modern: Clean left-aligned sans-serif layout, no built-in subheading divider.
  • Elegant Literary: Centered bold-italic serif title with a diamond divider accent.
  • Vintage Ornamental: Centered warm-brown serif styling with diamond dividers.
  • Modern Editorial: Left-aligned sans label with a heavy divider rule.
  • Contemporary Fiction: Centered tracked-letter serif title with a thin divider.
  • Luxury Serif: Centered gold-toned serif with a double-rule divider.
  • Romance Classic: Centered bold-italic serif with a dot-style divider.
  • Thriller/Mystery: Left-aligned bold sans label with a heavy red-accented divider.
  • Nonfiction Professional: Left-aligned navy sans styling suited for business and instructional books.

Each preset controls font family, weight, size, tracking, color, and divider style for the Chapter Label, Chapter Title, Subheading, and running-header text simultaneously.

Chapter Label Decoration (below "CHAPTER N")
  • Asset Options: No Asset, Laurel Sprig (SVG), Small Flourish (SVG), Star Dot (SVG).
  • Manual Controls: Asset Size (50%–150%), Top Spacing, and Bottom Spacing sliders.
Chapter Title Decoration (below the main title)
  • Asset Options: No Asset, Classic Floral Vector, Minimal Geometric Divider, Custom Uploaded Graphic, Ornate Flourish (SVG), Crest Accent (SVG), Twin Dots Rule (SVG), Underline Flourish (SVG), Geometric Badge (SVG).
  • Placement Rules: Render Before Heading, After Heading, or Both.
  • Manual Controls: Scale, Opacity, and Top/Bottom Spacing adjustment sliders.
Subheading Decoration (below the chapter's italic subheading)
  • Asset Options: No Asset, Custom Uploaded Graphic, Ornate Flourish (SVG), Crest Accent (SVG), Twin Dots Rule (SVG), Underline Flourish (SVG), Geometric Badge (SVG).
  • Manual Controls: Asset Size (50%–200%), Top Spacing, and Bottom Spacing sliders — independent of the Chapter Title Decoration sliders.
  • Apply to All Subheading Pages: When enabled, the same decoration also renders below every later in-chapter subheading (###), not just the chapter-opening one.
Step-by-Step Guide
  1. Open Chapter Start Style and choose a preset (e.g., Vintage Ornamental).
  2. Open Chapter Title Decoration and select an asset (e.g., Ornate Flourish (SVG)).
  3. (Optional) Open Subheading Decoration and select a matching asset for consistency.
  4. Fine-tune Size and Spacing sliders for each decoration independently.
Real Example
Preset Selected

Vintage Ornamental + Ornate Flourish (SVG) After Title

Engine Result

Renders an elegant flourish graphic directly underneath every chapter title.

Best Practices
  • Match your preset selection to your manuscript genre.
  • Keep Chapter Title and Subheading decorations from the same visual family (e.g., both flourish-style) for a cohesive look.
Common Mistakes
  • ❌ Over-scaling graphics so large that they push chapter body text onto the next page.
Technical Note
Vector SVG ornaments auto-scale without loss of sharpness across high-resolution print runs. All three decoration categories automatically match your selected Chapter Start Style's alignment — they sit centered under centered layouts, or left-aligned under the text on left-aligned layouts (e.g., Left Modern, Nonfiction Professional, Thriller/Mystery).
Chapter Style Presets screenshot
Chapter Style Presets
Chapter Decoration Array screenshot
Chapter Decoration Array
Advanced Chapter Decoration screenshot
Advanced Chapter Decoration

11. Auto Table of Contents (TOC) Engine

Calculates and generates a Table of Contents complete with page numbers and dot leaders.
Available Options & Controls
  • Auto Generation Toggle: Compiles all ## Chapter headers into a structured list.
  • Dot Leader Style: Enable/Disable leader dots connecting chapter titles to page numbers.
  • Subheading Inclusion: Choose whether to include ### subheadings inside the TOC.
Step-by-Step Guide
  1. Enable Auto-Generate Table of Contents in settings.
  2. The engine automatically places the TOC page right after the Copyright/Dedication pages.
Real Example
Generated TOC Page
CHAPTER 1 — THE CURSED INHERITANCE ..................... 1
CHAPTER 2 — THE BLACKWOOD MANOR ........................ 18
Best Practices
  • Keep chapter titles concise so they don't wrap awkwardly across multiple lines in the TOC.
Common Mistakes
  • ❌ Manually typing a TOC in your raw text, resulting in duplicate TOC pages.
Pro Tip
The compiled TOC uses exact pagination data calculated after image reflow and font geometry fitting.
Table of Contents screenshot
Table of Contents

12. Document Watermark Layer

Overlays transparent watermarks, draft notices, or copyright protection stamps across document pages.
Available Options & Controls
  • PNG Watermark Upload: Upload custom PNG overlay images.
  • Opacity Slider: Control transparency from 5% (subtle) to 100% (opaque).
  • Target Scope: Apply watermark to Every Page, Chapters Only, or First Page Only.
Step-by-Step Guide
  1. Open Document Watermark Layer.
  2. Upload your transparent watermark.png file.
  3. Set Opacity to 15% and choose Render On Every Page.
Real Example
Watermark Configuration

Image: "UNREVISED DRAFT PROOF" | Opacity: 15%

Engine Result

Renders a subtle, non-intrusive diagonal text overlay across all manuscript pages for reviewer distribution.

Best Practices
  • Keep watermark opacity under 15% to avoid obscuring body text.
Common Mistakes
  • ❌ Leaving draft watermarks enabled when exporting the final print-ready PDF.
Technical Note
Watermark layers are rendered directly into the PDF vector layer without rasterizing body text.
Document Watermark screenshot
Document Watermark

12. Paperback PDF Generation Engine

Compiles your processed manuscript into an Amazon KDP-compliant print-ready PDF document.
Available Options & Controls
  • Client-Side Engine: Compiles PDFs using local browser WebAssembly resources.
  • Embed Fonts: Auto-embeds font glyph vectors into the PDF container.
  • Bleed & Trim Box Settings: Formats margins to comply with Amazon KDP print specifications.
Step-by-Step Guide
  1. Review your settings in the live layout preview.
  2. Click Generate and Download PDF.
  3. Wait for the client-side compilation bar to reach 100%.
  4. Save the PDF directly to your computer.
Real Example
Compilation Command

Engine compiles 240-page manuscript at 6x9 in trim size.

Engine Result

Generates a vector PDF ready for immediate upload to Amazon KDP, IngramSpark, or Barnes & Noble Press.

Best Practices
  • Always open your exported PDF in Adobe Acrobat Reader to inspect margins before submitting for printing.
Common Mistakes
  • ❌ Closing the browser tab while the client-side compiler is generating the PDF file.
Pro Tip
BookForge PDFs require zero post-processing or manual formatting fixes before uploading to publishing platforms.

13. Download Options & File Packages

Provides controls for saving compiled files, exporting settings configurations, and backing up project states.
Available Options & Controls
  • Download PDF: Exports the print-ready PDF document.
  • Export Layout Configuration: Saves all typography and studio settings as a .json file for future projects.
  • Import Saved Preset: Reloads saved studio configurations instantly.
Step-by-Step Guide
  1. Click Export Layout Preset to backup your studio settings.
  2. Click Download PDF to save your print file.
Real Example
Saved Configuration File

my_fantasy_preset.json containing custom fonts, margin rules, and drop cap presets.

Best Practices
  • Export your layout configuration .json file after setting up custom styles so you can reuse it for future book series.
Common Mistakes
  • ❌ Clearing browser cache without backing up your custom layout presets.
Pro Tip
Using saved JSON preset files ensures brand consistency across multi-book series!

14. Performance Optimization Rules

Best practices to ensure smooth browser operation during large manuscript compilation.
Recommended Optimization Guidelines
  • Compress Images: Keep inline illustrations under 500 KB each using JPG or WebP formats.
  • Close Background Tabs: Free up browser memory when generating documents over 300 pages long.
  • Use Modern Browsers: Run BookForge on the latest versions of Google Chrome, Brave, Microsoft Edge, or Mozilla Firefox for fast WebAssembly processing.
Speed Rule
Reducing 3MB image files down to under 500KB significantly accelerates client-side PDF compilation times.

15. Troubleshooting & Common Fixes

Quick resolutions for common manuscript formatting and PDF generation issues.
Issue Probable Cause Resolution
Chapter not starting on new page Used single hash # instead of double hash ## Add two hashes ## before the chapter title.
Image not appearing in PDF Token typo or missing slot reference Verify token format matches [[IMAGE-1]] exactly.
PDF download freeze at 99% Oversized 10MB+ images exhausting browser memory Compress images under 500KB and retry.
KDP Trim Bleed Warning Margins set below 0.5 inches Increase margins to 0.75 in in the Typography Matrix.

16. Frequently Asked Questions (FAQ)

Q: Is my manuscript text uploaded to external servers?

No. BookForge processes your document 100% locally inside your web browser. Your text and images are never transmitted or stored on remote servers.

Q: Are exported PDFs fully compliant with Amazon KDP?

Yes. Exported PDFs follow Amazon KDP paperback print guidelines, including exact trim sizes, embed fonts, and safety bleed margins.

Q: Do I need to create an account or pay a subscription fee?

No account or registration is required. You can format manuscripts and export files directly inside your browser.


Beginner Quick Start Guide

Follow this 5-minute setup guide to generate your first print-ready PDF book:
  1. Upload Manuscript: Open BookForge and paste your text or upload your .txt / .md file under Manuscript Input Engine.
  2. Add Chapter Titles: Ensure every chapter header starts with ## (e.g., ## CHAPTER 1).
  3. Set Metadata: Enter your Book Title and Author Name under Book Metadata.
  4. Select Trim Size: Choose 6 x 9 in and your preferred font under Typography Matrix.
  5. Export PDF: Click Generate and Download PDF and save your document!

Complete Formatting Blueprint Sample

Copy or prepare your raw manuscript in this exact structure before uploading it into BookForge. This blueprint illustrates Part headings, Chapter breaks, Inline Subheadings, Bold headlines, Image tokens, Scene breaks, and End markers working together:
RAW MANUSCRIPT FORMATTING BLUEPRINT (.txt / .md)
# PART ONE: THE SHADOW OF BLACKWOOD

## CHAPTER 1 – THE CURSED INHERITANCE

### Arrival at Blackwood Manor

The horse-drawn carriage ground to a sudden halt before the rusted iron gates. Rain lashed relentlessly against the dark glass panels, casting jagged shadows across the cobblestone pathway.

[[IMAGE-1]]

**THE FIRST NIGHT'S WHISPERS**

A strange, low humming resonance filled the narrow corridors as the old grandfather clock struck midnight. Lord Blackwood stepped into the dusty study, clutching the heavy brass key tightly in his trembling hand.

***

The old clock chimed twelve times. The rain had finally ceased, leaving behind a heavy silence that hung over the ancestral grounds.

### The Secret Beneath the Floorboards

Behind the faded tapestry in the library lay a hidden latch. As the wooden panel slid open, a cold draft blew from the dark stairs leading down into the cavernous basement.

[[IMAGE-2]]

**THE END OF CHAPTER ONE**


## CHAPTER 2 – THE LOST COMPASS

The morning light brought no relief, only clearer views of the ruin...
Formatting Checklist Before Uploading:
• Use # for major Part sections.
• Use ## for every new Chapter (triggers hard page breaks & Table of Contents entry).
• Use ### for internal Section Subheadings.
• Use **Headline** on its own line for centered bold section dividers.
• Use [[IMAGE-1]], [[IMAGE-2]] tokens matching uploaded image slots.
• Use *** on an empty line for ornamental scene break dividers.

Glossary of Publishing Terms

  • Trim Size: The physical dimensions (width x height) of the printed book page (e.g., 6x9 inches).
  • Bleed: Extra artwork area extending beyond the physical page edge to ensure graphics print edge-to-edge without white borders.
  • Gutter Margin: Additional margin space added to the inside binding edge of pages so text isn't lost in the spine.
  • Drop Cap: A large decorative initial letter at the beginning of a chapter that drops down across several lines of text.
  • Widows & Orphans: Single isolated lines of text appearing at the top or bottom of a printed page.

Ready to Format Your Book?

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