Katy Farber Books

Salamander sky

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This dramatic, full-color, picture book introduces readers to the elusive spotted salamanders and the perilous nighttime journey they take each spring. Amphibians worldwide desperately need protect...

Order of the Trees

By Katy Farber

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Order of the Trees

By Katy Farber

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Change the World with Service Learning

By Katy Farber

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Why great teachers quit

By Katy Farber

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Real and Relevant

By Katy Farber

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Real and Relevant

By Katy Farber

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Real and Relevant

By Katy Farber

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Change the world with service learning

By Katy Farber

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Change the World with Service Learning: How to Organize, Lead, and Assess Service-Learning Projects

By Katy Farber

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

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.