Celia Tidmarsh Books

Geography First Mountains Geography First

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An overview of mountains, including how they are formed, how they change over time, what lives and grows there, and what resources and dangers mountains offer mankind.

France

By Celia Tidmarsh

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France

By Celia Tidmarsh

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Describes the geography, economy, government, people, transportation, education, and culture of France.

Mexico World in Focus

By Celia Tidmarsh

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France

By Celia Tidmarsh

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China Country Studies

By Celia Tidmarsh

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France

By Celia Tidmarsh

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"Describes the geography, history, industries, education, government, and cultures of France. Includes maps, charts, and graphs"--Provided by publisher.

Focus on France

By Celia Tidmarsh

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Focus on Mexico

By Celia Tidmarsh

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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.