Leon Gray Books

How Does a Touch Screen Work
How Does a Touch Screen Work

By Leon Gray

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Transportation
Transportation

By Leon Gray

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New Cultural Atlas of China
New Cultural Atlas of China

By Leon Gray

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Discovery Globe: Build-Your-Own Globe Kit
Discovery Globe: Build-Your-Own Globe Kit

By Leon Gray Illustrated By Sarah Edmonds

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Build your own spinning globe — then start exploring it with the help of a World Explorer’s Guide.For curious adventurers everywhere comes a unique guide to the amazing diversity of lif...

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Flowering Plants
Flowering Plants

By Leon Gray

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Related Articles from our Blog

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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