George W. Baer Books

Coming of the Italian Ethiopian War

By George W. Baer

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One hundred years of sea power

By George W. Baer

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This powerfully argued, objective history of the modern U.S. Navy explains how the Navy defined its purpose in the century after 1890. It relates in detail how the Navy formed and reformed its doct...

International Organizations 1 Guides to European diplomatic history research and research materials

By Baer, George W. Baer

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International organizations, 1918-1945

By George W. Baer

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Coming of the Italian Ethiopian War

By George W. Baer

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One Hundred Years of Sea Power

By George Baer

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Test case

By George W. Baer

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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.