W. Denis Whitaker Books

Tug of War

By W. Denis Whitaker

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Tug of War Eisenhower s Lost Opportunity

By Shelagh Whitaker, W. Denis Whitaker

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Dieppe

By Shelagh Whitaker, Brigadier General Denis

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Rhineland

By W. Denis Whitaker

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“It was the [allied armies’] valor, their endurance, and their ability to adapt that won the battle of Normandy and launched the liberation of Western Europe.” —from Normandy: The Real StoryFor dec...

Victory at Falaise

By Terry Copp, W. Denis Whitaker, Shelagh D. Whitaker

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Battle of the Scheldt

By Shelagh Whitaker, W.Denis Whitaker

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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.