Browse the books in a visual manner.
The Library of Congress presents the National Jukebox, which makes historical sound recordings available to the public free of charge. The Jukebox includes recordings from the extraordinary collections of the Library of Congress Packard Campus for Audio Visual Conservation and other contributing libraries and archives.
Downloadable audiobooks in a wide range of genres. Titles are drawn form public domain works, which would also be available on other websites. This site makes titles easier to find.
LibriVox provides free audiobooks from the public domain. There are several options for listening. The first step is to get the mp3