Devin K. Grayson Books

Batman: Rise Of Sin Tzu (Batman (Aspect))

By Devin K. Grayson, Flint Dille, Devin Grayson

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This novelization of the hot new video game from Ubi Soft Entertainment features a milestone in Dark Knight lore: the introduction of a new major villain, a criminal mastermind who vows to destroy...

DC Universe

By Devin K. Grayson, Devin Grayson

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Batman

By Devin K. Grayson, Robin Wasserman, Jesse Leon McCann

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Ghost Rider

By Devin K. Grayson

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X Men Evolution Volume 1 Digest

By Devin K. Grayson

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Marvel Age X Men Evolution

By Devin Grayson

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Nightwing Huntress

By Devin Grayson

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Batman

By Devin Grayson

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User

By Devin K. Grayson

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"It's the 1990s, a world without Google, Facebook or smartphones ... For Meg Chancellor, a lonely twenty-something not yet launched from her childhood home in Florida, this presents an opportunity...

Am I Blue X Men Evolution

By Devin Grayson

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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.