Carl Waldman Books

Who Was Who in World Exploration

By Carl Waldman, Alan Wexler

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Timelines of Native American History

By Carl Waldman

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Encyclopedia of Native American tribes

By Carl Waldman

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An alphabetical encyclopedia covering the history, culture, and present status of more than 150 Indian tribes of the United States, Canada, and Mexico.

Atlas of the North American Indian

By Carl Waldman

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Atlas of the North American Indian

By Carl Waldman

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Encyclopedia Of Exploration Facts on File Library of World History

By Carl Waldman, Jon Cunningham, Alan Wexler

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Encyclopedia of Exploration

By Carl Waldman, Jon Cunningham, Alan Wexler

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Encyclopedia of Native American tribes

By Carl Waldman

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Encyclopedia of Native American tribes

By Carl Waldman

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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.