If your a fan of e-books, you have to check out Project Gutenberg. They even provide a top 100 list of all downloads here, in case need ideas for books to read.
Just to entice you, here is a excerpt of the top 5…
- Fifteen Thousand Useful Phrases by Grenville Kleiser (737)
- Kamasutra by Vatsyayana (386)
- The Notebooks of Leonardo Da Vinci — Complete by Leonardo da Vinci (361)
- Ulysses by James Joyce (278)
- The Adventures of Sherlock Holmes by Sir Arthur Conan Doyle (274)