Kathy Allen Books

First Independence Day Celebration
First Independence Day Celebration
First American Flag
President George Washington
Human head
Human head

By Kathy Allen

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"Describes the anatomy of the human head, including organs, muscles, and the skull"--Provided by publisher.

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Labradoodle
Labradoodle

By Kathy Allen, Tanya Dewey

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The Horrible Miserable Middle Ages Fact Finders Disgusting History Paperback
Horrible Miserable Middle Ages
Deformed frogs
Deformed frogs

By Kathy Allen

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"Describes the cause and effect of deformed frogs in the wild"--Provided by publisher.

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Elephants Under Pressure Animals on the Edge

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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.

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