William W. Johnstone Books

Black Friday

By William W. Johnstone, J. A. Johnstone

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Preacher s Fortune

By William Johnstone

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Edge of Violence

By William W. Johnstone, J. A. Johnstone

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364 pages ; 18 cm

Texas John Slaughter

By William W. Johnstone J.A. Johnstone

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THE GREATEST WESTERN WRITERS OF THE 21ST CENTURY   Civil War soldier. Trail driver. Cattleman. Texas Ranger. The story of John Horton Slaughter is the story of the America West itself. Now bes...

Hell s Half Acre

By William W. Johnstone, J. A. Johnstone

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348 pages ; 18 cm

The Hour of Death

By William W. Johnstone J.A. Johnstone

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THE GREATEST WESTERN WRITER OF THE 21ST CENTURY   William W. Johnstone and J.A. Johnstone, the beloved, bestselling frontier writers, chronicle the true story of John Henry Sixkiller: born on...

Eight Hours to Die

By William W. Johnstone J.A. Johnstone

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THE GREATEST WESTERN WRITERS OF THE 21ST CENTURY   William W. Johnstone, the beloved, bestselling frontier chronicler, brings to life the story based on the historical lawman born and bred in...

Preacher s Hellstorm

By William W. Johnstone, J. A. Johnstone

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376 pages ; 18 cm

Preacher s Kill

By William W. Johnstone, J. A. Johnstone

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JOHNSTONE JUSTICE. MADE IN AMERICA. A fur trapper by trade, Preacher can smell a bad deal from any direction no matter how well it's disguised. It wasn't always that way - he's got the scars to p...

Day of Reckoning

By William W. Johnstone, J. A. Johnstone

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395 pages ; 18 cm

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.