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What is an ISBN?

The International Standard Book Number (ISBN) is a 10-digit or 13-digit number (e.g., 0-940016-64-8 or 978-0-940016-64-4) used to identify books.
An ISBN is found on a book's back cover (near the bar code) or on the title page with the copyright information.
Check your course requirements for the ISBNs of the books you need.
Enter a single ISBN or a series of ISBNs in our search box to find and order the correct textbook edition or a bundle of them.

Save money (and time) with multi-ISBN search.

List up to 25 ISBNs in our multi-ISBN search box—the ISBNs for all the textbooks you need. We'll take your ISBNs, find the books that best match your request, and bundle them together according to the absolute best price for each title.

Searching multiple ISBNs at one time is the fastest way to find what you need and be offered the lowest price, without having to do a title-by-title price evaluation.