Matthew Mayo Books

Shotgun Charlie

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Livin on Jacks and Queens An Anthology of Gambling in the Old West

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LIVIN’ ON JACKS AND QUEENS Legendary western writer and noted anthologist Robert J. Randisi offers up a winning hand with fourteen never-before-published tales of the Old West, each revolving aro...

WOLF CREEK

By L. J. Washburn, Chuck Tyrell, Matthew Mayo, Ford Fargo, Phil Dunlap

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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.