epub

Installation
SKILL.md

EPUB Processing Guide

Core Insight: EPUB is a ZIP Archive

An .epub file is simply a ZIP archive with a specific internal structure. The most reliable way to process any epub is:

  1. Copy the file to the working directory
  2. Rename it from .epub.zip
  3. Unzip it into a folder
  4. Find and read the navigation/TOC file first (e.g. nav.xhtml, nav.html, toc.ncx)
  5. Then read content files as needed

This approach works 100% of the time and requires no special epub libraries.


Step-by-Step Workflow

Step 1: Extract the EPUB

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43
First Seen
Mar 4, 2026