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Miguel N. from Princeton, NJ, just sold 3 books for $26.23

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Your Book's ISBN

What is an ISBN? A 10 or 13 digit number that can be found on the back cover or inside the front cover of almost all books.

Sell books by entering the ISBN with or without the dashes, and don't leave off the leading zeros. Sometimes an ISBN can end with an X. CASH4BOOKS® will accept either the 10-digit or the 13-digit ISBN.


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Do you need a quick, easy, safe, and convenient way to sell used books and college textbooks for cash?

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  • Three easy steps. Get a price quote, ship your books, and collect your cash!
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  • Payment issued within 13 days on average (from the day you mail the books). It can be faster; this depends if you live on the West Coast, and whether you use FedEx.
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