Clara MacCarald Books

Michelle Obama

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Offers readers an inside look into the life of Michelle Obama and how she influenced the nation as First Lady. Learn all about how she encouraged children to be healthy and supported educational op...

The Battle of Gettysburg

By Clara MacCarald

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Explores the Battle of Gettysburg of the US Civil War. Authoritative text, colorful illustrations, illuminating sidebars, and questions to prompt critical thinking make this an exciting and informa...

The Battle of Inchon

By Clara MacCarald

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Explores the Battle of Inchon of the Korean War. Authoritative text, colorful illustrations, illuminating sidebars, and questions to prompt critical thinking make this an exciting and informative r...

Establishing the judicial branch

By Clara MacCarald

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Explores the establishment of the judicial branch. Authoritative text, colorful illustrations, illuminating sidebars, and a "Voices from the Past" feature make this book an exciting and informative...

The War in Afghanistan

By Clara MacCarald

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Takes readers on a historical journey with 12 engaging chapters about the War in Afghanistan. With colorful spreads featuring the war s critical moments, key players, and lasting effects paired wit...

Establishing the judicial branch

By Clara MacCarald

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Exploring the Elements

By Anita Louise McCormick, Clara MacCarald, Donna B. McKinney, Henrietta Toth, Avery Elizabeth Hurt

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Animal Survival (Set)

By Clara MacCarald, Laura Perdew, Parker Holmes

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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.