Just Free Books
This is a custom search engine for finding ebooks and summaries of works in the public domain. JustFreeBooks searches the content of more than 700 web sites, including gutenberg.org,wikibooks.org and archive.org . With JustFreeBooks you can find all sorts of free books: public domain texts, open books, free audiobooks, ad-supported books and more. Just type in the search box the title, author or theme you want to find.