John D. Clare Books

Ancient Greece

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Describes the ancient Greek civilization. Discover how democracy and philosophy both had their origins in ancient Greece and how Greek ideas about mathematics, science, and medicine are still relev...

Industrial Revolution

By John D. Clare

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Vikings

By John D. Clare

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A brief introduction to the history, culture, religion, voyages and influence of the Vikings. Suggested level: secondary.

Les Villes au Moyen Age

By Elise Cartier, John D. Clare

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Des pages d'histoire photographiées et commentées. Chaque thème (une trentaine) abordé fait l'objet d'une double page : une photographie pleine page et un texte sommaire. Les photographies aux allu...

La Grece antique

By John D. Clare, Nicole Ferron

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En lisant ce livre, vous serez les témoins de la vie quotidienne au siècle de Périclès : une histoire de plus de 2000 ans rafraîchie grâce à une mise en scène contemporaine.

Het leven van de Noord Amerikaanse Indianen Coron

By John D. Clare

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Los Aztecas Aztec Life Grandes Civilizaciones Great Civilizations Spanish Edition

By John D. Clare

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Nation of Immigrants

By John D. Clare

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I Was There

By John D. Clare

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I Was There Investigation Packs

By John D. Clare

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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.