Chris Ryall Books

Dirk Gently's Holistic Detective Agency: The Interconnectedness of All Kings

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After writing all the many and conflicting versions of the legendary Hitchhiker's Guide to the Galaxy, beloved author Douglas Adams created Dirk Gently: a detective with a belief in the fundamental...

Zombies vs Robots Volume 2

By Lucy Ryall, Chris Ryall

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String Divers

By Chris Ryall

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Clive Barker s Great and Secret Show Deluxe Edition

By Chris Ryall, Clive Barker

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Richard Matheson

By Steve Niles, Ian Edginton, Chris Ryall, Ted Adams

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Dirk Gently's Big Holistic Graphic Novel

By Chris Ryall

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Douglas Adams' holistic detective Dirk Gently has his first two comic book adventures collected here. Containing two stand-alone series, enjoy A Spoon Too Short and The Interconnectedness of A...

Joe Hill

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Revolution

By Brandon Easton, Chris Ryall, Cullen Bunn, Aubrey Sitterson, John Barber

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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.