John Kovalic Books

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.

John Kovalic Books

Dork Side of the Goon

Dork Tower 34 Dork Tower

Tao of Igor The Collected Dork Tower X Dork Tower

Big Book of Kobold Deaths Dork Storm

Kobolds Ate My Baby More Things to Kill

Kobolds Ate My Baby

Heroes

Alas Vegas

Dork20 D20 System

Dork Web The Collected Dork Tower Comic Strips Volume I

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What is an EAN and How Does it Relate to an ISBN?