Gleisner Books

I Spy Squares
I Spy Squares

By Gleisner

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I Spy Squares
I Spy Squares

By Gleisner

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I Spy Squares
I Spy Squares

By Gleisner

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I Spy Stars
I Spy Stars

By Gleisner

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I Spy Stars
I Spy Stars

By Gleisner

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I Spy Stars
I Spy Stars

By Gleisner

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I Spy Triangles
I Spy Triangles

By Gleisner

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I Spy Triangles
I Spy Triangles

By Gleisner

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I Spy Triangles
I Spy Triangles

By Gleisner

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Humpback Whales
Humpback Whales

By Gleisner

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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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