Sarah L. Thomson Books

Gary Paulsen

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Discusses the life, publications, and writing habits of Gary Paulsen, author of such popular novels as "Hatchet" and "Dogsong," as well as non-fiction works.

Robert Cormier

By Sarah L. Thomson

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Amazing Gorillas

By Sarah L. Thomson

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Amazing Tigers Wildlife Conservation Society Books Paperback

By Sarah L. Thomson

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Amazing Tigers

By Sarah L. Thomson

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Discusses the physical characteristics, behavior, habitat, life cycle, and endangered status of tigers.

Amazing Snakes

By Sarah L. Thomson

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Amazing Tigers

By Sarah L. Thomson

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Ancient Animals: Saber-toothed Cat

By Sarah L. Thomson Author Andrew Plant Illustrator

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Welcome to California, sixteen thousand years ago. A saber-toothed cat is waiting for prey.Perfect for beginning readers who love dinosaurs and prehistoric beasties, this clear and succinct introdu...

Ancient Animals: Saber-toothed Cat

By Sarah L. Thomson Author Andrew Plant Illustrator

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Discover the daily life of this iconic prehistoric predator, simply written and beautifully illustrated for beginning readers. California, sixteen thousand years ago. A saber-toothed cat lies...

Feel the Summer

By Sarah L. Thomson

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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.