Search the content of more than 550 web sites, including gutenberg.org, wikibooks.org, and archive.org. Find public domain texts, open books and audio books.

University of Alberta's guide to the best literary sites online.

Has various digital repository collections.

Features over 10,000 online books free to the public.

The Society for the History of Authorship, Reading, and Publishing, featuring a wide variety of resources for those interested in the history of print culture in any place or period.

Provides free summaries of many popular books, plays and other written documents.