Christos Gage Books

The Superior Spider Man

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"Venom is back in town! Will his first run-in with the Superior Spider-Man be a friendly one, or will he sense something perilous about Peter Parker's presence? And as Otto Octavius takes another b...

The amazing Spider Man

By Dan Slott

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Amazing Spider Man Vol. 2

By Christos Gage, Dan Slott, Sean Ryan

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Civil War

By Ed Brubaker, Christos Gage, Charles Knauf, Daniel Knauf, Brian Michael Bendis

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Civil War

By Christos Gage

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Captain Marvel

By Michele Fazekas

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Old friends face off as bitter enemies in an event that will change Captain Marvel's life forever! As a new Civil War erupts, Carol Danvers finds herself at the very forefront of the conflict. But...

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...

Stormwatch

By Doug Mahnke, Christos N. Gage

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Stormwatch

By Christos N. Gage

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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.