Dennis Showalter Books

Little Man, What Now: Der Sturmer in the Weimar Republic

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The Wars of German Unification

By Dennis Showalter, DENNIS E. SHOWALTER

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The wars of German unification

By Dennis E. Showalter

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Patton and Rommel: Men Of War In The Twentieth Century

By Dennis E. Showalter, Dennis Showalter

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Patton and Rommel

By Dennis Showalter

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General George S. Patton. His tongue was as sharp as the cavalry saber he once wielded, and his fury as explosive as the shells he’d ordered launched from his tank divisions. Despite his profane, p...

The Cambridge History of War

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Anatomy of perjury

By Richard Raiber

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Voices from the Third Reich

By Johannes Steinoff, Johannes Steinhoff

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THE ENCYCLOPEDIA OF WARFARE

By Dennis Showalter

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Frederick the Great

By Dennis Showalter

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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.