Guy Walters Books

Berlin Games: How the Nazis Stole the Olympic Dream

By Guy Walters

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Berlin Games: How the Nazis Stole the Olympic Dream

By Guy Walters

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Hunting Evil

By Jonathan Cowley, Guy Walters

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In early 1942 the Germans opened a top security prisoner of war camp in Lower Silesia for captured Allied airmen. Called Stalag Luft III, the camp soon came to contain some of the most inventive es...

Berlin Games

By Guy Walters

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The Traitor

By Guy Walters

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The Traitor

By Guy Walters

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THE LEADER.

By Guy Walters

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The Leader

By Guy Walters

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The Occupation

By Guy Walters

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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.