Penny Johnson Books

Math At Home
Math At Home

By Penny Johnson

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Math In The Mall
Math In The Mall

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Career Math
Career Math

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Ice to Steam
Ice to Steam

By Penny Johnson

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Companions in Conflict
Companions in Conflict

By Penny Johnson

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Fairy frolics
Fairy frolics

By Penny Johnson

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Edexcel GCSE science
Edexcel GCSE science

By Mark Levesley

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What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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