Matt Wagner Books

"The crime-filled, noir world of the '30s continues! Collecting issues #37-44 of the acclaimed series as the Golden Age Sandman discovers the origin of one of his oldest adversaries and unravels th...

Madame Xanadu

By Matt Wagner

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Suspense fiction. Mystery fiction. Graphic Novel. Writer Matt Wagner redefines the way we think about the five senses in "Extra Sensory," a 6-issue storyline featuring different interior art each i...

Batman Superman Wonder Woman Trinity

By Matt Wagner

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Grendel

By Matt Wagner

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Grendel, devil's legacy

By Matt Wagner

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Sandman Mystery Theater 3

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Matt Wagner's Grendel Tales Omnibus Volume 2

By Created By Matt Wagner

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Featuring some of the best writers and artists in the industry and never-before-collected material, Grendel Tales Omnibus Volume 2 is sure to be a hit with longtime Grendel fans or newcomers just d...

Doctor Mid-Nite

By Matt Wagner

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Apocrypha Stories That Never Were

By Catherine Yronwode

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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.