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Getting Started with Lacuna

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Welcome to Lacuna Book Formatter, the desktop application for Windows and Mac that transforms your manuscript into a professional, publication-ready book. Whether you’re an indie author, publisher, or first-time writer, Lacuna eliminates the complexity of book design.

Why Use Lacuna?

Formatting a book for publication is tedious and error-prone. Lacuna takes care of the complexity behind creating EPUBs and print-ready PDFs so you can focus on your content. No more cryptic distributor errors or hours spent troubleshooting file rejections. Lacuna handles the technical details behind the scenes so your files work the first time.

Key Features

  • Smart Import: Automatically structures your manuscript (DOCX)
  • Professional Styles: Pre-designed layouts for any genre
  • Live Preview: See changes instantly as you work
  • EPUB Export: Industry-standard files for all platforms
  • Print-Ready PDF: Professional PDFs for print-on-demand services
  • Native Desktop App: Optimized for Windows and Mac performance

Get Started

Four-Step Workflow

Lacuna guides you through a streamlined process from manuscript to published book:

1. Import Your Manuscript

Import your .docx file and let Lacuna automatically detect chapters and sections, organizing everything into manageable pieces.

You’ll learn:

  • Document preparation best practices
  • How automatic section detection works
  • Manuscript structure fundamentals

Import Your Manuscript →

2. Structure Your Book

Organize content using flexible sections. Add title pages, copyright information, table of contents, and dedications in the correct order.

You’ll discover:

  • Available book section types
  • Front matter creation and customization
  • Chapter organization techniques

Learn About Book Sections →

3. Style Your Book

Apply professional styles and customize typography, spacing, and decorative elements to match your book’s genre and tone.

You’ll explore:

  • Style selection for your genre
  • Typography and layout customization
  • Decorative elements and chapter styling

Choose Your Style →

4. Export Your Book

Generate industry-standard EPUB and print-ready PDF files for KDP, Apple Books, IngramSpark, and other platforms.

You’ll accomplish:

  • Proper metadata configuration
  • High-quality EPUB and PDF generation
  • Distribution platform preparation

Export Your Book →

Next Steps

Ready to format your book? Download Lacuna and import your manuscript to get started.