Need some new reading material? Public domain books, which are free to download and no longer under copyright, are a great way to discover everything from classic novels to computer manuals. Here are 12 sources for free public domain books or e-books that you can download or read in a browser.

Authorama offers a wide range of books from a great selection of authors, including Hans Christian Anderson and Mary Shelley. If you're looking for the classics, this is a good place to start. Every book is read through the website, so you don't have to download anything.

Audiobooks are a great way to read, especially if you spend a lot of time in the car, and LibriVox aims to fill that need with hundreds of freely available audiobooks. Volunteers sign up to read chapters from public domain books, and those chapters are then posted online for readers to download for free.

Google Books has a nice selection of public domain eBooks, mostly in the genre of classic literature. Search Google Books or use the main Google search engine to find all kinds of public domain books.