Jeff Mariotte Books

Supernatural: Witch's Canyon

By Jeff Mariotte

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Witch's Canyon

By Jeff Mariotte

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Dark duets

By Christopher Golden

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Presents a collection of seventeen tales from the horror, thriller, and dark fantasy genres composed by two, and in one case three, acclaimed writers who have never previously collaborated.

7 Sykos

By Jeff Mariotte, Marsheila Rockwell

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Gen13

By Jeff Mariotte, Nancy Holder

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Gen 13, time and chance

By Jeff Mariotte

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Gen13

By Jeff Mariotte, Sholly Fisch, Scott Ciencin

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Age of Conan

By Jeff Mariotte

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Winds of the wild sea

By Jeff Mariotte

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DC Universe

By Jeff Mariotte

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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.