Howard V. Chaykin Books

"Who knew that amid the bearded lady, the wolf boy and the human fly at Barnum and Bailey's circus, there was also a secret agent? After P.T. Barnum saves President Grover Cleveland's life, he beco...

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By Richard Corben, Mike Allred, Darwyn Cooke, Scott Hampton, Brendan McCarthy, Jordi Bernet, Sergio Aragones, Teddy H. Kristiansen, Paul Pope, Damion Scott, Howard V. Chaykin, Tim Sale

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Jack Kirby 100th celebration collection

By Ryan Benjamin, Nathan Fairbairn, Chris Burnham, Betsy Golden, Howard V. Chaykin

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Son of Superman

By Howard V. Chaykin

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Son of Superman

By Howard V. Chaykin

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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.