Nov.el provides a major mode for reading EPUB documents (ebooks) in Emacs.

Features:

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