Val Staples Books

In the year 2517, humanity's last hope is with Dr. Catherine Halsey, the SPARTAN-II program, and one 6-year-old boy: John-117. Kidnapped and ruthlessly trained, John endures and rises as the leader...

He-Man and the Masters of the Universe: A Character Guide and World Compendium

By More, Written By Val Staples James Eatock Josh DeLioncourt Danielle Gelehrter

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This is the most comprehensive guide ever published, covering all things Masters of the Universe and Princess of Power from 1982 through today! The universe of He-Man and S...

Battle Pope Volume 3

By Cory Walker, Tony Moore, Robert Kirkman, Val Staples

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Brit Volume 1

By Cliff Rathburn, Tony Moore, Robert Kirkman, Val Staples

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Battle Pope Volume 4

By Tony Moore, Robert Kirkman, Val Staples

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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.