David Wachter Books

The Guns of Shadow Valley

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Teenage Mutant Ninja Turtles universe

By Caleb Goellner, Flynn Ian Graphic Artist, Giannis Milonogiannis, Bobby Curnow, Chris Mowry, Erika Anderson, Matthew K. Manning, Adam Gorham, Pablo Tunica, David Wachter, Paul Allor, Michael Dialynas

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"Discover the secret origins of the Triceratons: how they began on Earth, what that means for their return, and how they successfully rebelled against their Utrom captors! Plus, the Turtles fight t...

Konstruktionen im Ubergang

By David Wachter

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SPIDER-MAN 2099: EXODUS

By Steve Orlando

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A brave, new tomorrow begins for the world of 2099! After fighting battles across the timestream, Miguel O'Hara - Spider-Man of the year 2099 - is back home at last, defending his present…and our f...

PLANET OF THE APES: FALL OF MAN

By David F. Walker

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One of the most beloved franchises in sci-fi history returns to Marvel Comics! It's been years since the "simian flu" first spread. The ALZ-113 virus has rampaged across Earth - and while apes are...

Iron Fist

By Larry Hama, David Wachter

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Spider Man 2099

By Steve Orlando, Paul Fry, David Wachter

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Guns of Shadow Valley

By Dave Wachter, James Clark

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The Guns of Shadow Valley

By Dave Wachter

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Somewhere in Shadow Valley lies a secret that could forever change the frontier. Only a posse of gunmen with special abilities can defend that secret from a tribe of ghostly warriors, an advancing...

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.