David Koenig Books

Pernicious Invaders

By Philip C. Perron, E. G. Smith, Dan Szczesny, Gregory L. Norris, Laura Selinsky, David Koenig, Erin Thorne, B. David Spicer, Petersen Schoonover, Damir Salkovic

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Based On Decades Of Research And Interviews With Kaye's Colleagues, Offers A Behind-the-scenes Looks At The Popular Entertainer And Examines His Greatest Roles On Stage, Television, Radio, Records,...

Shooting Columbo: The Lives And Deaths Of TV'S Rumpled Detective

By David Koenig

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Shooting Columbo

By David Koenig

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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.