nov.el provides a major mode for reading EPUB documents.

Features:

- Basic navigation (jump to TOC, previous/next chapter)
- Remembering and restoring the last read position
- Jump to next chapter when scrolling beyond end
- Storing and following Org links to EPUB files
- Renders EPUB2 (.ncx) and EPUB3 (<nav>) TOCs
- Hyperlinks to internal and external targets
- Supports textual and image documents
- Info-style history navigation
- View source of document files
- Metadata display
- Image rescaling