Mark Chadbourn Books

Kingdom of the Serpent

By Mark Chadbourn

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Destroyer of worlds

By Mark Chadbourn

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"In the far lands, the brothers and sisters of dragons gather for the final battle, the one the ancient Norse legends called ragnarok, which will lead to the passing of gods and men from the univer...

Testimony

By Mark Chadbourn

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World s End Trilogy

By Mark Chadbourn

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Always Forever The Age of Misrule Book 3

By Mark Chadbourn

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The Scar Crow Men Sword of Albion 2

By Mark Chadbourn

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The Underground

By Mark Chadbourn

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Negative Burn

By Daniel Zezelj, Dan Jurgens, Mike Raicht, Jimmy Palmiotti, Mark Chadbourn, Amanda Conner, Richard Case, James Peaty, Tom Biondiollio, Cully Hamner, James A. Owen, Ron Marz, Gary Reed, Brian Bolland, Steven Grant

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The silver skull

By Mark Chadbourn

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The Silver Skull" features a devilish plot to assassinate the queen, a Cold War enemy hell-bent on destroying the nation, and a race against time to stop the ultimate doomsday device.

The hounds of Avalon

By Mark Chadbourn

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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.