Pam Pollack Books

Who Was Joan of Arc?

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Joan of Arc was born in a small French village during the worst period of the Hundred Years' War. For generations, France had been besieged by the British. At age 11, Joan began to see religious vi...

Who Is Bono?

By Pam Pollack

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How did an Irish schoolboy become the lead singer of a world-famous rock band and the founder of several humanitarian groups? Track Bono's rise to fame in this exciting addition to the Who Was? ser...

Who Was Lucille Ball

By Pollack Pam Belviso Meg Who HQ

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Chairs Through the Ages

By Harold H. Hart, Pam Pollack

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Who Was Alex Trebek?

By Meg Belviso, Ted Hammond, Who HQ, Pamela Pollack

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Clue: A former journalist who became the beloved host of America's favorite game show and quiz competition. Answer: Who Was Alex Trebek?, the latest title in the #1 New York Times Best-Selling...

Who Was Steve Jobs

By Meg Belviso, Pam Pollack

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Ponies All Aboard Science Reader Level 2 Turtleback

By Meg Belviso, Pam Pollack

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Who Is George Lucas Turtleback School Library Binding Edition Who Was...

By Meg Belviso, Pam Pollack

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Who Was Susan B. Anthony

By Pollack Pamela Meg Belviso

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Who Was Charles Dickens

By Meg Belviso, Mark Edward Geyer, Nancy Harrison, Pam Pollack

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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.