William W. Johnstone Books

Carnage of Eagles

By William W. Johnstone, J. A. Johnstone

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Torture of the Mountain Man

By William W. Johnstone J.A. Johnstone

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Johnstone Country.  The Good Die Young. The Bad Die Younger.    When Smoke Jensen is summoned to a small Texas town under siege by a scourge of kill-crazy bandits, volunteers li...

Preacher s Slaughter

By William W. Johnstone, J. A. Johnstone

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Kingdom Come

By William W. Johnstone, J. A. Johnstone

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Better off Dead

By William W. Johnstone, J. A. Johnstone

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Kill or Die

By William W. Johnstone, J. A. Johnstone

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Rimfire

By William W. Johnstone, J.A. Johnstone

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The Greatest Western Writers Of The 21st CenturySmoke Jensen was a towering Western hero. Now his two freewheeling, long-lost nephews, Ace and Chance Jensen, are blazing a legendary trail of their...

Great Train Massacre

By William W. Johnstone, J. A. Johnstone

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Journey into Violence

By William W. Johnstone, J. A. Johnstone

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Bad Men Die Luke Jensen Bounty Hunter 4

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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.