Free ebooks are googled by millions all over the world every day. It is one of the highest searched two letter keyword on Google. Though there are many free ebooks listing sites on Internet but most of them doesen't have good collection.
Fiction, Non fiction, technical, non technical, art, science, business and many other categories of free ebooks can be found on following sites. The best part of these free ebook sites is that they let you download the ebook in pdf format.
Full Books: FullBooks.com have thousands of full test free books. You can choose among categories like Business, Nations and Countries, How Products are Made, Science, Films, Children's Health, Surgery, Mental Disorders, Illnesses etc.
e-Libraray: e-library.net has more than 10,000 ebooks to download of which more than 500 are absolutely free to download.
Book Chums: BookChums.com is the fastest and the easiest site to download ebooks for free. The free ebooks within the site have been collected from Project Gutenberg and other sites on the internet. It lists more than 6,000 titles for free download.
Best eBooks World: bestebooksworld.com one of the largest free ebooks directory having large collection of books ranging from business to pleasure.
Gutenberg: Project Gutenberg is a non profit site that has world's largest collection of free ebooks in hundreds of categories.