Don McGregor Books

Dragonflame and Other Bedtime Nightmares

By Don McGregor

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LUKE CAGE EPIC COLLECTION: THE FIRE THIS TIME

By Don McGregor

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Luke Cage defends the streets of New York City, and even takes the fight to the outer boroughs, in this Epic Collection completing his solo adventures! He'll face menaces as tough as Moses Magnum,...

Black Panther Epic Collection

By Stan Lee, Don McGregor

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Marvel Horror

By Tony Dezuniga, Don McGregor, Tony Isabella, Chris Claremont, Doug Moench

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Morbius Epic Collection: The Living Vampire

By Steve Gerber

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Collects Amazing Spider-Man (1963) #101-102, Marvel Team-Up (1972) #3-4, Fear (1970) #20-26, Giant-Size Super-Heroes (1974) #1; material from Vampire Tales (1973) #1-8, Giant-Size Werewolf by Night...

Marvel Masterworks

By Gene Colan, Don McGregor, Peter B. Gillis, Denys Cowan

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Killraven Epic Collection

By Don McGregor, Gerry Conway, Marv Wolfman, Roy Thomas, P. Craig Russell

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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.