Josh Gregory Books

Cornerstones of Freedom, Third Series: The Hunt for Bin Laden

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The definitive history series! Strong narratives and eye-catching images tell the stories behind growth and development in the United States and around the world. Sidebars illustrate how history a...

Cornerstones of Freedom, Third Series: World War I

By Josh Gregory

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Just how does the democratic process work? And what exactly did the Louisiana Purchase mean for our country? Packed with intriguing history and eye-catching images, Cornerstones of Freedom brings y...

The French Revolution

By Josh Gregory

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The Gettysburg address

By Josh Gregory

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Traces the events which led to the Battle of Gettysburg in 1864 and describes the dedication of the cemetery to the fallen soldiers by Lincoln in his famous speech.

The hunt for Bin Laden

By Josh Gregory

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Read about the search for al-Qaeda leader Osama bin Laden and the raid on his compound and learn how these events have shaped our nation today.

The superstorm hurricane Sandy

By Josh Gregory

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This book examines the widespread damage and suffering caused by Superstorm Sandy and how people are working to rebuild and recover after this devastation. This book provides a brief examination o...

Minecraft

By Josh Gregory

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Illinois

By Josh Gregory

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Climate scientist

By Josh Gregory

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Presents a history of climate science, and looks at the roles and responsibilities of the scientists who study climate as well as the education and experience needed to obtain a job in the field.

Bill and Melinda Gates

By Josh Gregory

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Examines the life of the founder of Microsoft, discusses the history of the company, and describes the charitable works done with his wife through their foundation.

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.