Tammy Gagne Books

The Grand Canyon Walk on the Wild Side The National Parks

By Tammy Gagne

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The dog encyclopedia for kids

By Tammy Gagne

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Icelandic Sheepdogs are born with extra toes. Dalmatians are born without spots. Some Siberian Huskies have one blue eye and one brown eye. Learn all about the characteristics of various dog breeds...

12 super fast animals you need to know

By Tammy Gagne

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Examines twelve super-fast animals found around the world and includes facts such as life cycles, habitats, and traits.

12 Super Strong Animals You Need to Know

By Tammy Gagne

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12 super-fast animals you need to know

By Tammy Gagne

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Examines twelve super-fast animals found around the world and includes facts such as life cycles, habitats, and traits.

Battling Against Drug Resistant Bacteria

By Tammy Gagne

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Battling Against Drug Resistant Bacteria

By Tammy Gagne

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Forest Ecosystems

By Tammy Gagne

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Freshwater Ecosystems

By Tammy Gagne

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Grassland Ecosystems

By Tammy Gagne

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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.