eLibraryNJ This is where you can find the new and popular titles

Open Library – Sign up for a free account and borrow from a growing collection of 20th Century titles.

Project Gutenberg is the place where you can download over 30,000
free ebooks.

Library of Congress via the Internet Archive Browse and download thousands
of titles in a variety of formats.

Baen Books publisher of science fiction and fantasy offers a number of free downloads.

Books.google.com Allows public-domain works and other out-of-copyright material
to be downloaded in PDF or EPUB format.

Epubbooks.com Provides free high quality ePub eBooks.

Feedbooks.com You’ll discover thousands of public domain books
and original books from new authors that you can
read on any mobile device.

Freetechbooks  Free online computer science and tech books.

InkMesh is a search engine that searches from more than thirty online sources for free e-books.

Manybooks.net Thousands of free e-books available in multiple
formats for PDAs.

The Online Books Page from the University of Pennsylvania Libraries offers an index of thousands of free online books.

PlanetBook Planet eBook, the home of free classic literature in PDF format.