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What's an ISBN?

The ISBN is a unique 10 or 13 digit number that will correctly identify your book. This number can usually be found on the back cover of the book or in your class syllabus.


If you cannot locate your book's ISBN on the outside of the book, open the front cover and look on the page immediately following the title page. This should be the copyright page and will include information about the copyright date, the author, and publisher. The ISBN should be in the middle or at the bottom of that page.

I'm having trouble finding my books.

Try searching for one book at a time. If you're unable to find it, try using some broader terms. For example, search "Campbell Biology" instead of "Campbell Biology Concepts 6th Edition MasteringBiology". Be sure to check for spelling errors, or just use the book's ISBN if you have it.

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