Roberta Edwards Books

Who Was King Tut

By Roberta Edwards

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Who Was King Tut?

By Roberta Edwards

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Who Is Barack Obama

By Roberta Edwards

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Who Was King Tut?

By Roberta Edwards Illustrated By True Kelley

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Ever since Howard Carter uncovered King Tutankhamun’s tomb in 1922, the young pharaoh has become a symbol of the wealth and mystery of ancient Egypt. Now, a two-and-a-half-year-long museum ex...

Who Is Barack Obama?

By Roberta Edwards Illustrated By John O Brien

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As the world now knows, Barack Obama has made history as our first African-American president. With black-and-white illustrations throughout, this biography is perfect for primary graders looking f...

Who Was Neil Armstrong

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Who Was Leonardo Da Vinci

By Roberta Edwards, True Kelley

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Quien Fue el Rey Tut

By Roberta Edwards

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Quien Fue Paul Revere

By Roberta Edwards

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Who Was Neil Armstrong

By Roberta Edwards, Who HQ

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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.