Brad Mengel Books

Myths for the Modern Age

By Matthew Baugh, Rick Lai, Win Scott Eckert, Peter Coogan, Dennis E. Power, Brad Mengel, John A. Small, Christopher Paul Carey, Jess Nevins, Philip Jose Farmer

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Sherlock Holmes

By Brad Mengel, I.A. Watson, Fred Adams Jr., Barbara Doran

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Serial vigilantes of paperback fiction

By Bradley Mengel

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"Serial vigilantes repeatedly take the law into their own hands, imposing their own moral standards. The book examines the connections between the vigilante and the pulp hero that preceded him and...

Charles Boeckman Presents Johnny Nickle Volume 1

By Richard White, Brad Mengel

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Pro Se Presents November 2012

By David White, Brad Mengel, Aaron Smith, Adam Garcia, A. Paulson

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New Adventures of Senorita Scorpion

By Andrea Judy, Brad Mengel, Nancy Hansen

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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.