Katherine Hall Books

Christie Company
Christie Company

By Katherine Hall

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The Halfling
The Halfling

By Katherine Hall

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Polar bears and penguins
Polar bears and penguins

By Katherine Hall

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Polar bears and penguins may like cold weather but they live at opposite ends of the Earth. What do these animals have in common and how are they different? You might see them near each other at a...

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Prayer Book
Prayer Book

By Katherine Hall

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Murder in Brock Town
Murder in Brock Town

By Katherine Hall

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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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