Over 10,000 free public domain audiobooks available through LibriVox!

Project Gutenberg is a collection of over 60,000 works with a focus on older works with expired U.S Copyrights.

Free-Ebooks.net offers a large collection of both fiction and non-fiction eBooks, as well as audiobooks.

Romance Book Cloud is a huge collection of steamy Romance novels aimed at adults!

Audio Book Cloud is an ALL AGES audio book database! 

Tumble Book Library brings you K-6th grade ebooks!

Teen Book Cloud is 7th-12th grade ebooks!

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A collection of both Audiobooks and eBooks from Loyal Books!