Heidi Knecht Books

Projectile technology
Projectile technology

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Before Lascaux
Before Lascaux

By Anne Pike Tay, Heidi Knecht

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Upper Paleolithic burins
Upper Paleolithic burins

By Heidi Knecht

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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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