Nathan Warman Books

Roosevelt Dimes 1965 2009

By Warman S Staff, Nathan Warman

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State Quarters 1999-2009 Deluxe Collector's Folder

By Warman S

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The perfect deluxe coin folder for coin collectors who want a beautiful storage solution for their piece of United States history.There are standard coin folders, and then there is something for th...

Presidential Dollar 2007 2016

By Warman S Staff, Nathan Warman

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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.