Peter Tsouras Books

Major General George H. Sharpe and The Creation of American Military Intelligence in the Civil War

By Peter G. Tsouras

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Dixie Victorious

By Peter G. Tsouras

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Warlords of ancient Mexico

By Peter Tsouras

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"More than thirteen centuries of incredible spellbinding history are detailed in this intriguing study of the rulers and warriors of Mexico. Dozens of these charismatic leaders of nations and armie...

Rising Sun Victorious

By Peter G. Tsouras

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Third Reich victorious

By Peter Tsouras

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Third Reich Victorious is a gripping and terrifying alternate history, and a tellling insight into what a close run thing World War II really was.

Third Reich victorious

By Peter Tsouras

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Third Reich Victorious is a gripping and terrifying alternate history, and a tellling insight into what a close run thing World War II really was.

Napoleon Victorious

By Peter G Tsouras

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Panzers on the Eastern Front

By Peter Tsouras

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The Anvil of War

By Peter Tsouras

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Disaster at D-Day

By Peter Tsouras

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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.