Free eBook Resources
The Book Search works just like web search. You can search on Google Books or on Google.com. When a book is found with content that contains a match for your search terms, it shows up as a link in your search results. If the book is out of copyright, or the publisher has given permission, you'll be able to see a preview of the book, and in some cases the entire text. If it's in the public domain, you will be able to view a plain text version on your screen or you're free to download either a PDF or an ePub copy. Google has also launched a free eBook Reader for mobile devices. Go to books.google.com/m and browse. Through the Google Books Library Project collections of several major research libraries are also searchable though Google Books.
Google Scholar is a freely-accessible web search engine that indexes the full text of scholarly literature across an array of publishing formats and disciplines. It includes most peer-reviewed online journals of Europe and America's largest scholarly publishers. NOTE: Because most of Google Scholar's search results link directly to commercial journal articles, a majority of the time users will only be able to access a brief summary of the articles topics, and small amounts of important information regarding the article, and possibly will have to pay a fee to access the entire article.
Download over 30,000 free ebooks to read on your PC, iPhone, Kindle, Sony Reader or other portable device. Most of the items in its collection are the full texts of public domain books including many classic works of literature. Choose between ePub, Mobipocket, HTML and simple text formats.
University of Michigan General Collection
Over 28 thousand titles in the public domain. searchable by author, title, subject, full text... The books are fom the University of Michigan's collection.
Internet Archive Open Access Texts
Almost two million items from individuals, contributing libraries, and organizations (such as Google, and Project Gutenberg) in a variety of publishing formats freely available for downloading.
Classic works of literature, nonfiction and reference
Baen Free Library
Free works in the sci fi genre.