Brigid Gallagher Books

Sonia Sotomayor

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What makes Sonia Sotomayor extraordinary? Read this book to find out. This title explores her childhood growing up in New York City and her education, including her high-profile time at Princeton....

Sonia Sotomayor

By Brigid Gallagher

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What makes Sonia Sotomayor extraordinary? Read this book to find out. This title explores her childhood growing up in New York City and her education, including her high-profile time at Princeton....

Extraordinary Women

By Michael Burgan, Brigid Gallagher, Catherine Chambers, Nick Hunter, Claire Throp

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Extraordinary Women

By Michael Burgan, Robin Doak, Brigid Gallagher, Catherine Chambers, Nick Hunter, Claire Throp

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Sonia Sotomayor

By Brigid Gallagher

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Extraordinary Women Classroom Collection

By Michael Burgan, Brigid Gallagher, Catherine Chambers, Nick Hunter, Claire Throp

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Sonia Sotomayor

By Brigid Gallagher

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Langston Hughes

By Brigid Gallagher, Oxford Designers And Illustrators

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Langston Hughes

By Brigid Gallagher

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Langston Hughes

By Brigid Gallagher

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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.