The Web has many archives of public domain print books turned into eBooks. These are available in formats suitable to a variety of eReaders. Many titles are classics of fiction and nonfiction. Some are obscure, but interesting, items. A few are newer, but have been released into the public domain for a variety of reasons. The following selected websites offer free eBooks in the most popular formats. Some have titles in a variety of languages, and some also offer audiobook downloads. So explore and enjoy!
Smashwords is an ebook publishing and distribution platform for ebook authors, publishers and readers. Offers multi-format, DRM-free ebooks, ready for immediate sampling and purchase, and readable on any e-reading device.
Volunteers read chapters of books in the public domain into digital audio (e.g. mp3), and then make the audio files available for free through the LibriVox catalog, a podcast, and other technologies.