Gerry Duggan Books

Hulk by Mark Waid Gerry Duggan

By Gerry Duggan, Mark Waid

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Deadpool Minibus 3

By Gerry Duggan, Fabian Nicieza, Reilly Brown, Tim Seeley

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Savage Avengers Vol. 4

By Gerry Duggan, Patch Zircher, Kev Walker

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The heroes of Krakoa are here to save the planet! Things might be complicated between the new mutant nation and the rest of the world, but it's simple to the X-Men: You do what's right, you protect...

Dawn of X Vol. 12

By Marvel Comics

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Fantastic Four by Dan Slott Vol. 2

By Gerry Duggan, Stefano Caselli, Mike Carey, Aaron Kuder, Dan Slott, Paco Medina, Ryan North, Sean Izaaske

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Trials of X Vol. 1

By Gerry Duggan, Stefano Caselli, Lucas Werneck, Al Ewing, Vita Ayala, Leah Williams, Alex Lins, Valerio Schiti

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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.