Roger Mckenzie Books

The Trouble With Doubles Princess of Power Heroic Champion

By Roger McKenzie

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The Sunbird Legacy

By Roger McKenzie

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Walter Simonson Battlestar Galactica Art Edition

By Roger McKenzie, Bob Layton, Walt Simonson, Steven Grant

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Star Hawks 1979 1981

By Roger Mckenzie, Archie Goodwin, Gil Kane

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Frank Miller's Daredevil Artist's Edition

By McKenzie Roger Michelinie David Miller Frank

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Frank Miller helped redefine sequential storytelling in the early 1980s. His style, influenced by Will Eisner’s The Spirit, was new and exciting. One of his earliest issues featured the intro...

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.