Don McGregor Books

The Penguin Classics Marvel Collection presents the origin stories, seminal tales, and characters of the Marvel Universe to explore Marvel’s transformative and timeless influence on an entire genre...

Black Panther

By Stan Lee, Don McGregor, Billy Graham, Jack Kirby, Rich Buckler

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Essential Defenders Vol. 2

By Scott Edelman, Mary Skrenes, Jim Mooney, Sam Grainger, Mike Esposito, Bill Mantlo, Klaus Janson, Don McGregor, Len Wein, Sal Buscema, Tony Isabella, Gil Kane, Roger Slifer, Frank Giacoia, Vince Colletta, Gerry Conway, John Tartaglione, Chris Claremont, Steve Gerber, Jim Starlin

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Atlantis Attacks Omnibus

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Essential Doctor Strange

By Ralph Macchio, Don McGregor, Chris Claremont, Bill Kunkel, Roger Stern

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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.