Charles E. Roth Books

The Amateur Naturalist: Explorations and Investigations
The Amateur Naturalist: Explorations and Investigations

By Charles Edmund Roth, Charles E. Roth

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Presents a variety of activities and projects to help the amateur naturalist explore the habits of common plants and animals.

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Plants Alive
Plants Alive

By Charles E. Roth

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Plants Alive
Plants Alive

By Charles E. Roth

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Beyond the Classroom
Beyond the Classroom

By Charles E. Roth

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Nature journaling
Nature journaling

By Clare Walker Leslie

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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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