William W. Johnstone Books

Will Tanner U.S. Deputy Marshal

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"After spending most of his life driving cattle, Will Tanner is ready to wash the trail dust from his throat. In a saloon on the edge of Indian Territory, he makes a decision that changes his life...

Tyranny

By Johnstone William W. Johnstone J. A.

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Black friday

By William W. Johnstone

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"When an army of fanatical Middle Eastern terrorists take over the American Way Mall on the Friday after Thanksgiving killing hundreds of shoppers and taking others hostage, Iraq War veteran Tobey...

The Jensen Brand

By William W. Johnstone, J. A. Johnstone

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It's the dawn of a new century. But on the vast Sugarloaf Ranch not much has changed since legendary gunfighter Smoke Jensen and his wife Sally tamed the land two decades ago. Raising cattle is sti...

The Doomsday Bunker

By J. A. Johnstone, William W. Johnstone

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Hang Him Twice

By J. A. Johnstone, William W. Johnstone

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Trigger Warning

By William W. Johnstone

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Triumph of the Mountain Man

By William W. Johnstone

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Slaughter in the Ashes

By William W. Johnstone

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Power of the Mountain Man The Mountain Man Series

By William W. Johnstone

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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.