Gina DeAngelis Books

Battle of Gettysburg

By Gina DeAngelis

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Massachusets

By Gina DeAngelis

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The Massachusetts 54th

By Gina DeAngelis

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Explains the events leading up to the formation of the Massachusetts 54th, a regiment of free blacks, and its participation in the Civil War. Sidebars include quotations from leaders of the time an...

Jonestown Massacre

By Gina DeAngelis

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The Wild West

By Gina DeAngelis

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Profiles the lives of twenty-five notable figures of the Wild West, including Grizzly Adams, Billy the Kid, and Geronimo.

The Hindenburg Great Disasters and Their Reforms

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Jackie Robinson Overcoming Adversity

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Google

By Gina DeAngelis, Audrey DeAngelis

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Google

By Gina DeAngelis, Audrey DeAngelis

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Hip Hop Dance

By Gina DeAngelis, Audrey DeAngelis

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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.