Carl R. Green Books

Spacewalk

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"Explores the Gemini 4 mission, including the astronauts and the first American spacewalk, the spacecraft and technology that made it possible, and how the Gemini mission laid the foundation for th...

The Koala Endangered and Threatened Animals

By Carl R. Green

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The Tiger Endangered and Threatened Animals

By Carl R. Green

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The Revolutionary War

By Carl R. Green

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Discusses the military tactics, battles, and famous figures of the war that gained the American colonies their independence from Great Britain. Includes Internet links to Web sites, source document...

The French and Indian War

By Carl R. Green

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Discusses the major battles, military tactics, and famous figures of this war rooted in European rivalries and fought in the Ohio Valley wilderness. Includes Internet links to related Web sites, so...

The War of 1812

By Carl R. Green

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Discusses the major battles, military tactics, and famous figures of the War of 1812. Includes Internet links to Web sites, source documents, and photographs related to the war.

The Vietnam War U.S. Wars

By Carl R. Green

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The Gemini 4 Spacewalk Mission Space Flight Adventures and Disasters

By Carl R. Green

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Apollo 11 Rockets to First Moon Landing

By Carl R. Green

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Nicotine And Tobacco Drugs

By Carl R. Green

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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.