Ruth Koeppel Books

Goddard Come Home
Goddard Come Home

By Ruth Koeppel

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Tonka Town
Tonka Town

By Ruth Koeppel

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On the Road
On the Road

By Ruth Koeppel

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The time pincher
The time pincher

By Ruth Koeppel

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To prove Cindy does not know what she is talking about, Jimmy uses his special "time pinch" machine to bring Thomas Edison to the present.

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Jimmy Neutron
Jimmy Neutron

By Nickelodeon

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Owen s Way Home
Owen s Way Home

By Ruth Koeppel

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Sponger Bob Squarepants
Sponger Bob Squarepants

By

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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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