Mark Mackey Books

Children of the Night

By Ronald Griffin, Ann Snizek, Tara Hall, Mark Mackey, Jodie Pierce

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Wild Cards

By Ronald Griffin, Donald Semora, T. G. Reaper, Mark Mackey, Jodie Pierce

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Maureen

By Titan InKorp, Mark Mackey

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Authors Against Bullying Volume Two

By Casia Schreyer, Em Lowe, Sara Nelson, Bree Vanderland, Mark Mackey

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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.