CourseSmart: Online & downloadable textbooks. Half the price of printed books. TextbookRevolution. Cheap Textbooks & Used Textbooks. Academic eBooks. Discount Textbooks for College at CengageBrain: Buy Cheap or Rent Textbooks, eTextbooks, eChapters and Online Study Tools. For best results, search by ISBN An ISBN is the 10 or 13 digit number, usually printed on the back of a book with a bar code, that serves as a unique identifier for the book.
Searching by ISBN is the best way to search because it will get you the exact title and edition that you need.