Peter Gillis Books

Essential Captain America Volume 6 Essential Captain America

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John Carter Warlord Of Mars Omnibus

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What If Vol. 7

By Butch Guice, Peter Gillis, Mark Gruenwald, Kelley Jones, Marc Silvestri

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Thing

By Ralph Macchio, Peter Gillis, Marv Wolfman, Alan Kupperberg

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MARVEL MASTERWORKS: THE INVINCIBLE IRON MAN VOL. 17

By Dennis O Neil

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Tony Stark has changed the world, but those successes convinced the creator of the Iron Man armor that he himself was invincible. But no one is - and Obadiah Stane is about to exploit Stark's every...

Defenders Epic Collection

By J. M. DeMatteis, Luke McDonnell, Peter Gillis, Don Perlin, Mark Badger

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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.