Jim Martz Books

U.S. waterways productivity
U.S. waterways productivity

By Jim Martz

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Hurricane Warning
Hurricane Warning

By Jim Martz

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Safe Tennis
Safe Tennis

By Nick Bollettieri, Jim Martz

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Hurricanes handbook
Hurricanes handbook

By Jim Martz

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Safe Tennis
Safe Tennis

By Nick Bollettieri, Jim Martz

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Hurricane watch
Hurricane watch

By Jim Martz

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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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