George W. Beahm Books

Profusely illustrated with nearly 200 photos, color illustrations by celebrated "Dark Tower" artist Michael Whelan, and black-and-white drawings by Maine artist Glenn Chadbourne; supplemented with...

Trump talk

By George W. Beahm

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An "unofficial guide to the mind of Donald Trump, featuring excerpts from speeches, interviews, and more. Whether he's denouncing immigration policies, giving advice on the art of the deal, or insu...

The Essential J.R.R. Tolkien Sourcebook

By George W. Beahm

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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.