Patricia Daniels Books

With authoritative and enlightening essays and detailed maps, charts, and time lines, National Geographic Almanac of World History encapsulates in one volume all of the important people and events...

National Geographic Almanac of World History

By Patricia S. Daniels, Steve Hyslop

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National Geographic My First Pocket Guides

By National Geographic

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National Geographic My First Pocket Guide Constellations NG My First Pocket Guides

By National Geographic

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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.