William W. Johnstone Books

Spirit of the Mountain Man Mountain Man Series

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THE MESSAGE WAS WRITTEN IN BLOOD. BRING ME THE HEAD OF SMOKE JENSEN! A hard term in Yuma prison gave Ralph Tinsdale and his gunhawk sidekicks time to nurse a deep hatred for Smoke Jensen, the man...

Ordeal of the Mountain Man ABRIDGED

By Doug Van Liew, William W. Johnstone

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Battle of the Mountain Man The Mountain Man Series

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Trail of the Mountain Man Mountain Man Series

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Wind in the Ashes

By William W. Johnstone

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A Reason to Die

By William W. Johnstone

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The Chuckwagon Trail

By William W. Johnstone

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Die by the Gun

By William W. Johnstone

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L enfant chat

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.