John B. Hattendorf Books

Maritime History

By John B. Hattendorf

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America and the Sea

By Benjamin W. Laberee Et Al.

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America and the Sea: A Maritime History is the most comprehensive maritime history of the United States available today. Spanning the centuries from Native American and Viking maritime activities b...

The Boundless Deep

By John B. Hattendorf

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The Boundless Deep

By John B. Hattendorf

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The Boundless Deep

By John B. Hattendorf

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Mahan Is Not Enough

By James Goldrick

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The Evolution of the U.S. Navy s Maritime Strategy 1977 1986 Naval War College Newport Papers 19

By Naval War College Press, John B. Hattendorf

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Mahan on Naval Strategy

By John B. Hattendorf

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Maritime History

By John B. Hattendorf

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Maritime History

By Richard Eddy

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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.