Marc MacYoung Books

Getting lock picking tools from commercial suppliers can be difficult, and many pros prefer the quality, precision and custom designs of handmade tools. Here Eddie the Wire shows you how to make a...

Fists, wits, and a wicked right

By Marc MacYoung

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Barroom Brawling

By Peyton Quinn, Marc MacYoung

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$Violence, blunders, and fractured jaws$

Violence, blunders, and fractured jaws

By Marc MacYoung

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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.