Peter D. Riley Books

Journal of Discovery
Journal of Discovery

By Peter Riley

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100 things you should know about planet earth
100 things you should know about planet earth

By Peter D. Riley

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This title offers 50 town plans, plus a ten-page indexed central London map. A re-designed map grid should enable you to locate places faster and there is journey planning information, together wit...

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Living Processes
Living Processes

By Peter D. Riley

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Materials
Materials

By Peter D. Riley

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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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