Roberta Edwards Books

Who Was George Washington

By Roberta Edwards

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Where is the Parthenon?

By Roberta Edwards

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Athens, Greece, is best known for the Parthenon, the ruins of an ancient temple completed in 438 BC to honor the goddess Athena. But what many people don t know is that it only served as a temple f...

Barack Obama

By Roberta Edwards

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A short biography of Barack Obama, the first African-American president. Biografía del presidente número 44 de Estados Unidos y primer mandatario afroamericano de ese país.

Michelle Obama

By Roberta Edwards

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Recounts how Michelle Robinson, who came from a modest neighborhood in Chicago, became a Harvard-educated lawyer and the wife of Barack Obama, and describes her role in his rise to the presidency a...

Quien fue el rey Tut

By Roberta Edwards

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Highlights the life of the boy pharaoh, describes the process by which his body and his tomb were prepared for the afterlife, and describes the search and excavation of his tomb in 1922. La vida d...

Michelle Obama

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Michelle Obama

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Travel joy

By Roberta Edwards

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Shei shi Ni er Amusitelang

By Roberta Edwards

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A biography that introduces youngsters to Neil Armstrong, the first man to step foot on the Moon.

Kim Kimdi Serisi Leonardo Da Vinci

By Roberta Edwards

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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.