Free Audiobooks

Audio Books & Poetry – Internet Archive
http://www.archive.org/details/audio_bookspoetry
Links to several sites with free audiobooks and poems to download.
 
LibriVox
http://librivox.org/
Downloadable audiobooks (read by volunteers) of works in the public domain.
 
Lit2Go – Florida Center for Instructional Technology
http://etc.usf.edu/lit2go/
Downloadable MP3s for commonly studied novels, plays and poems which are in the public domain.

Free Audio Books: Download Great Books for Free – compiled by Open Culture
http://www.openculture.com/freeaudiobooks
Free downloadable MP3s and links to free downloads in iTunes for classics and some current works.  Also includes links to some video content.