What’s on your summer reading list? OpenLibrary.org is the largest online library with millions of books available for free download. It’s part of the Internet Archive, creators of the Wayback Machine, which crawls and indexes billions of web pages. The nonprofit offers thousands of titles, from classics like Machiavelli’s “The Prince” to Dr. Seuss for kids to thrillers from Clive Cussler. You can even find old textbooks if you’re in the mood to brush up your math, English and geography skills.What’s more, Open Library is attempting the seemingly impossible feat of cataloging every single book ever written. The website catalogs information on the book, the author and relevant links.Find a mistake on the entry for your favorite book? You can edit mistakes and add information. You just need to set up an account using your name and email address.