Dennis E. Showalter Books

Researching World War I

By Dennis E. Showalter, Robin D. S. Higham

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Hitler s Panzers

By Dennis E. Showalter

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From Dennis Showalter, recipient of the Samuel Eliot Morison Prize and the Pritzker Literature Award for Lifetime Achievement, a fascinating account of Nazi Germany's armored forces during World Wa...

Hitler s Police Battalions

By Dennis E. Showalter, Edward B. Westermann

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Hitler s Panzers

By Dennis E. Showalter

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Hitler's Panzers

By Dennis Showalter

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World War II Naval Forces

By Dennis E. Showalter, Elizabeth Raum, Heidi A. Burns, Gwenyth Swain

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Weapons and Gear of the Revolutionary War

By Dennis E. Showalter, Graeme Davis, Sarah Beckman

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World War II Spies

By Dennis E. Showalter, Michael Burgan, Heidi A. Burns

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Patton and Rommel

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.