D.N.L. Levy 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.

D.N.L. Levy Books

How to Play the Openings in Chess

Instant Chess

Oxford Encyclopaedia of Chess Games: v. 1

Play Chess: Combinations and Sacrifices

Karpov's games as world champion 1975-1978

Chess and computers

The Chess Computer Handbook Batsford Chess Book

Chess Computer Compendium

Opening repertoire for the attacking player

Heuristic programming in artificial intelligence

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