John W. Thomason Books

A Thomason sketchbook

By John W. Thomason

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The United States Army Second Division Northwest of Chateau Thierry in World War I

By John W. Thomason, George B. Clark

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"In 1927, at the request of his superiors, John W. Thomason set out to chronicle the history of the U.S. Army 2nd Division, particularly during the bloody action of 1918. Here is Thomason's manuscr...

Jeb Stuart

By John W. Thomason

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Jeb Stuart Civil War Library

By John W. Jr. Thomason

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Lone Star preacher

By John W. Thomason

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Jeb Stuart

By John W. Thomason

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Fix bayonets!

By John W. Thomason

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Fix bayonets!

By John W. Thomason, JohnW Thomason

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Fix Bayonets

By John W. Thomason

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Lone Star Preacher

By Thomason John W. Jr.

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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.