John Lehr Books

Community and Frontier
Community and Frontier

By John C. Lehr

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Inside the Ark
Inside the Ark

By John Lehr, Yossi Katz

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Inside the Ark
Inside the Ark

By John Lehr, Yossi Katz

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Island Position
Island Position

By John Lehr

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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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