John Thomas Books

Marty And the Motorcycles Marty and the Motorcycles

By John Thomas

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The Legend of Zelda: Hyrule Historia

By Shigeru Miyamoto Eiji Aonuma Akira Himekawa

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Make sure to check out the other installments in this unparalleled collection of historical information on The Legend of Zelda franchise with the New York Times best sellin...

Young Again

By John Thomas, Thomas John

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Young Again How to Reverse The Aging Process

By John Thomas

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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.