William W. Johnstone Books

The masters of American frontier storytelling return with the saga of a bold, fearless  western legend. When you’re a gun for hire, the difference between right and wrong is settled with...

Seven Days to Hell

By William W. Johnstone, J. A. Johnstone

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Colter's Journey

By William W. Johnstone J.A. Johnstone

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THE GREATEST WESTERN WRITERS OF THE 21ST CENTURYIn this thrilling epic of the American West, bestselling authors William W. Johnstone and J.A. Johnstone capture the human side of the frontier exper...

Sixkiller U. S. Marshal

By William W. Johnstone, J. A. Johnstone

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Vengeance Of The Mountain Man

By William W. Johnstone, J.A. Johnstone

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The Greatest Western Writer Of The 21st CenturySome People Don't Know When To Leave Bad Enough AloneJust when it seemed that Smoke Jensen's life had settled down to something resembling normal... H...

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.