William R. Cox Books

Navajo Blood Sagebrush Westerns

By William Robert Cox

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Bigger than Texas

By William Robert Cox

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Gunfight at Razor Edge

By William R. Cox

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Sam Booker and Piney Talcott each had one strike against them. Sam had killed a man in Texas and Piney was born black. But each man had a dream. When chance bought them together, that dream became...

The gunsharp

By William Robert Cox

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Make My Coffin Strong

By William R. Cox, David Laurence Wilson

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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.