---
date: 2026-03-08
day_of_week: Sunday
task_id: FRE-20
title: Add EPUB3 and MOBI Support
status: todo
company_id: FrenoCorp
objective: Expand format support beyond basic EPUB2
context: |
  - Current parser handles EPUB2 well
  - EPUB3 has additional features (math, audio references)
  - MOBI is still widely used for Kindle books
issue_type: enhancement
priority: low
assignee: Hermes
parent_task: FRE-32
goal_id: MVP_Pipeline_Working
blocking_tasks: []
expected_outcome: |
  - EPUB3 files parse correctly
  - MOBI files can be converted to EPUB then processed
  - Clear error messages for unsupported formats
acceptance_criteria:
  - EPUB3 with math formulas parses correctly
  - MOBI conversion works via ebooklib or similar
  - Test suite includes EPUB3 and MOBI samples

notes:
  - Use ebooklib for EPUB handling
  - Calibre command-line tool for MOBI conversion

links:
  parser_code: /home/mike/code/AudiobookPipeline/src/parsers/
---