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Formatting 6 min read May 20, 2026

Fixing Broken Ebook Table of Contents Navigation Jumps

Ebook TOC links failing to jump? Learn how to format navigation files (NCX & HTML TOC) to pass retailer verification.

E

Eleanor Vance

Head of Digital Production

"A table of contents must jump to the selected chapter. Broken anchors or missing NCX links trigger quality warnings and result in negative reader feedback."

Core Key Takeaways

  • Mapping Anchors and Hyperlinks in HTML
  • Compiling the NCX and NAV Navigation Files
  • Validating the EPUB Schema with EPUBCheck

1. Mapping Anchors and Hyperlinks in HTML

Ensure every TOC title maps to a corresponding HTML ID at the start of that chapter. Avoid using spaces or special characters in anchors.

  • Use unique ID names (like "chapter-1") for page anchors.
  • Verify that all links map to the correct chapter files.
  • Avoid styling links with absolute colors that distort in dark mode.

2. Compiling the NCX and NAV Navigation Files

E-readers read NCX files to compile the device's sidebar menu. Ensure your formatting software generates valid navigation schemas.

3. Validating the EPUB Schema with EPUBCheck

Run your files through EPUBCheck to identify missing navigation warnings before uploading to retailer platforms.

The Takeaway

Flawless ebook navigation keeps reading seamless. Golden Ivory Publishing validates all digital files to ensure perfect navigation.

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