Christos Gage Books

Ms. Marvel Vol. 2

By Christos Gage, Dan Slott, G. Willow Wilson

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Spider Island

By Christos Gage

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"In the Battleworld zone known as Spider-Island, Peter Parker has lost -- and the Spider Queen has turned Manhattan into an island of arachnid madness! With Spider-Man defeated and captive, does Fl...

WildCats

By Christos Gage

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WildCats

By Christos Gage

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Wildstorm

By Christos Gage

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Dante s Inferno

By Christos Gage

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Justice League Beyond

By Christos Gage

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"The World's Greatest Super Heroes of Tomorrow are here! Now with a few fresh faces and a newly-constructed Watchtower, the Justice League are back to being a well-oiled crime fighting machine! But...

Batman Beyond 2.0 Vol. 2

By Christos Gage, Kyle Higgins

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Skaar

By Christos Gage, Greg Pak

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Annihilation

By Christos Gage, Keith Giffen, Simon Furman, Stuart Moore

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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.