Landry Q. Walker Books

Could there really be such a thing as hell on earth? Odd only knows. #1 New York Times bestselling maestro of macabre suspense Dean Koontz plunges everyone’s favorite spirit-spotting fry cook int...

A Clash of Kings: The Graphic Novel: Volume Three

By George R. R. Martin

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Tensions rise as a divided kingdom falters in this third volume of a four-part, full-color graphic novel adaptation of the second book in George R. R. Martin’s landmark Song of Ice and Fire series,...

Election Day Mad Libs

By Landry Q. Walker

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Stolen Vault

By Landry Q. Walker, Patrick Spaziante

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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.