Arnie Fenner Books

Spectrum 5

By Cathy Fenner, Arnie Fenner

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Strange Days

By Cathy Fenner, Arnie Fenner

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Savage Art

By Tim Underwood, Cathy Fenner, Arnie Fenner

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Bugf ck

By Harlan Ellison, Arnie Fenner

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Harlan Ellison® has a lot to say; as one of America's most honored entertainers, he has been writing fiction and commentary, and speaking on college campuses and television talk shows, and challeng...

Spectrum 20

By Cathy Fenner, Arnie Fenner

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Ballpoint Beauties

By Frank Cho, Arnie Fenner

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Spectrum 12

By Cathy Fenner, Arnie Fenner

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Art of Brom

By Gerald Brom, John Fleskes, Arnie Fenner

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Spectrum 16

By Cathy Fenner, Arnie Fenner

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The Best of Gahan Wilson

By Arnie Fenner

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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.