Roberta Edwards Books

Who Is Barack Obama?

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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...

Dewey the library cat

By Roberta Edwards

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Who is Jane Goodall

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Space Kid All Aboard Reading

By Roberta Edwards

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Who Was Leonardo da Vinci Who Was Prebound

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Who Was King Tut Who Was Prebound

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Five Silly Fishermen

By Roberta Edwards

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Who Was George Washington

By Roberta Edwards

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Who Was George Washington?

By Roberta Edwards

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Who Was George Washington?

By Roberta Edwards Illustrated By True Kelley

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In 1789, George Washington became the first president of the United States. He has been called the father of our country for leading America through its early years. Washington also served in two m...

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.