Matt Wagner Books

Mage Integral no 03 03

By Ignacio Bentz, Matt Wagner

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Madame Xanadu - Extra Sensory

By Amy Reeder Hadley, Marley Zarcone, Matt Wagner

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Madame Xanadu: Disenchanted v. 1

By Amy Reeder Hadley, Matt Wagner

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Grendel vs. The Shadow

By Matt Wagner

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Sparks fly and bullets blaze when the original Grendel, Hunter Rose, is transported to 1930s New York and faces off with the original dark-night avenger, the Shadow! Two pulp-noir icons go head to...

The Art of Matt Wagner's Grendel

By Matt Wagner

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Over two and a half decades, what began as the story of Hunter Rose, the talented young author who became the city's most feared assassin and criminal overlord, evolved into a prolonged examination...

Sandman Mystery Theatre Compendium Two

By Matt Wagner

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The second half of Matt Wagner, Steven T. Seagle, and Guy Davis’ acclaimed DC/Vertigo series is collected in a massive Compendium collection!In the celebrated 1990s series Sandman Mystery The...

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.