Free Downloadable Audio or eBooks Online

Looking for places that have free downloadable eBooks, books available in pdf form, audio books or books available on the internet?
Take a look!

Free Book Sifter: Want to find free books on Amazon for your Kindle? Check out this website!

Internet Archive: Items available in pdf form.

Google Books: Search the full text of books to find ones that interest you and learn where to buy or borrow them. Google will show the full book when it is out of copyright. Items are available for download to a Sony Reader, Nook, Kobo e-Reader, and Aluratek e-Reader; also available in pdf form.

Project Gutenberg: Items available for download to a PC, iPad, Kindle, Sony Reader, iPhone, Android or other portable device.

Net Galley: Items available as as a pdf or EPUB, on your Sony Reader, Kobo Reader, nook, iPad (through the Bluefire Reader app) or other device, or using NetGalley’s web-based reader.

Manybooks: Items are available as pdf, or on most e-readers.

Online Library of Liberty: The Library is where electronic versions of classic books about individual liberty are stored. These texts go back some 4,000 years and cover the disciplines of economics, history, law, literature, philosophy, political theory, religion, war and peace. They are in a variety of formats–facsimile PDFs so scholars can view the original text, HTML for ease of searching and attractive layout, and text-based PDF EBooks for personal use.

National Library of Medicine E-books: Bookshelf provides free access to over 700 texts in life science and healthcare. A vital node in the data-rich resource network at NCBI, Bookshelf enables users to easily browse, retrieve, and read content, and spurs discovery of related information.

American Mathematical Society E-books: Books are available in PDF format.

Online Books Page: Listing over 35,000 free books on the Web, but only on the web. Not available for download to eBook format.

Sacred Texts Archive: A huge, full text collection of the sacred texts of every major religion in the world.

Open Content Alliance: Represents the collaborative efforts of a group of cultural, technology, nonprofit, and governmental organizations from around the world that help build a permanent archive of multilingual digitized texts.

Perseus Digital Library: Online collection of classic writings from antiquity from Tufts University’s Classics Department.

Classic Reader: Search this online library of thousands of free books by authors such as Dickens, Austen, Shakespeare and many others.

FullBooks.com: Offers thousands of books that can be read online for free.

LibriVox: LibriVox provides free audiobooks from the public domain. There are several options for listening.

Spoken Alexandria Project: The Spoken Alexandria Project is creating a free library of spoken word recordings, consisting of classics in the public domain and modern works (with permission).

International Children’s Digital Library: Over 4446 free children’s books in 34 different languages.

National Academies Press: Over 200 books per year on a wide range of topics in science, engineering, and health.