What is ISBN?

The ISBN is a 10 or 13 digit number that is unique to a particular title, author, edition and publisher. It can be found on the back cover of each book.

ISBN / barcode

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Disclaimer: the information presented herein is subjective, has no guarantee of validity and for informative purposes only

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1 reason

Inferior products

Counterfeit books have a lack of quality comparing to legitimate textbooks. They are made of cheap materials with ‘grainy’ images and badly printed text.
2 reason

Harm to the educational system

Counterfeit items take money away from publishers and cause loss of authors’ royalty. Revenue decrease leads to the termination of the new book’s publication.
3 reason

Low value

Crucial content, cases, access code to the online material may be missing in counterfeit books. Also, different pagination may lead to confusion while studying.