Dave Stewart Books

Universal Monsters

By Dave Stewart, Dan Watters, Matthew Roberts

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Universal Monsters

By Dave Stewart, Dan Watters, Matthew Roberts

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Hellboy Dossiers secrets

By Dave Stewart, Chris Roberson, Mike Mignola, Christopher Mitten

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B.P.R.D. The Devil You Know Omnibus

By Dave Stewart, By Mike Mignola, Scott Allie With Laurence Campbell Christopher Mitten

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The explosive conclusion to the B.P.R.D. series is collected in full! Lovecraftian monsters ravage an apocalyptic earth as the B.P.R.D. fights to save what little of humanity they can. But even Hel...

Koshchei in Hell

By Dave Stewart, Written By Mike Mignola Illustrated By Ben Stenbeck Colored By Dave Stewart, Lettered By Clem Robins. Cover By Mike Mignola

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The world above may be over, and Hellboy gone with it, but Koshchei is still in Hell content with his wine and his books—until an old face arrives and brings Koshchei a critical task.An old a...

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.