Brennan Wagner Books

Grendel: Devil's Odyssey

By Story, Art By Matt Wagner Colors By Brennan Wagner Lettered By Dave Lanphear.

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Grendel Prime searches the stars for a new home for mankind, and Matt Wagner returns to his darkest creation!As civilization comes to an end on Earth, the final Grendel Khan gives Grendel Prime a n...

Frankenstein Undone

By Scott Allie, Brennan Wagner, Mike Mignola, Ben Stenbeck, Clem Robins

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Grendel: Devil by the Deed Master's Edition

By Written, Illustrated By Matt Wagner. Colors By Brennan Wagner. Lettering By Dave Lanphear.

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Matt Wagner returns to the seminal “Devil by the Deed” Hunter Rose story that started the epic, centuries-spanning Grendel saga. In this all-new reimagining of “Devil by the Deed,...

Grendel: Devil by the Deed-Master's Edition (Limited Edition)

By Written, Illustrated By Matt Wagner. Colors By Brennan Wagner. Lettering By Dave Lanphear.

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The Limited Edition run of Grendel: Devil by the Deed—Master’s Edition includes a signed and numbered tip-in sheet featuring stunning never-before-seen art by Matt Wagner and a unique s...

Shadow

By Brennan Wagner, Matt Wagner

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Shadow

By Brennan Wagner, Joseph Rybandt, Matt Wagner

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Will Eisner s the Spirit

By Dan Schkade, Eric Powell, Brennan Wagner, Matt Wagner

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Mage Vol. 5

By Brennan Wagner, Matt Wagner

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Hellboy and BPRD T06

By Dave Stewart, Scott Allie, Brennan Wagner, Mike Mignola, Ben Stenbeck, Adam Hugues, Christopher Mitten, Duncan Fegredo

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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.