Christopher L. McGlothlin Books

M&M Time Of Crisis

By Christopher L. McGlothlin, Green Ronin Production

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The first Mutants & Masterminds adventure is here! Set in the exciting world of Freedom City, Time of Crisis sends the heroes on a mission with the highest of stakes. What starts as a simple robber...

Dead Presidents

By Christopher L. McGlothlin

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Mutants & Masterminds: Noir

By Christopher McGlothlin, Eric Wright, Christopher L. McGlothlin

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With Mutants & Masterminds Green Ronin Publishing brought you the best in four-color superhero gaming. Now the Noir sourcebook takes M&M to the mean streets. Written by Christopher McGlothlin (auth...

Horrors O' The Weird West

By Christopher L. McGlothlin

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Issue: до 2011-08

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.