Matt Wagner Books

Grendel vs. The Shadow

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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 Dead Boy Detectives Omnibus (The Sandman Universe Classics)

By Neil Gaiman

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Edwin Paine and Charles Rowland are no different than most boys. They love adventure, games, and spending time outdoors. They’re curious about girls, curious about life, and particularly curi...

A1 Annual

By D Israeli, Jim Steranko, Dave Elliott, Ron Marz, Matt Wagner

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Grendel

By Pat McEown, Matt Wagner

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Grendel-Prime struggles to fulfill his destiny in a diseased and ugly world.

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.