Dennis O Neil Books

Richard Dragon, Kung-Fu Fighter: Coming of the Dragon!

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From the 1970s kung-fu craze come these tales of American martial artist Richard Dragon as he crisscrosses the globe in the cause of justice.In these action-packed 1970s tales, American martial art...

Batman: No Man's Land Omnibus Vol. 1

By Dennis O Neil

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The monumental crossover event that changed Gotham City and the Dark Knight forever collected in one volume for the first time. After suffering a cataclysmic earthquake, the U.S. government ha...

Batman: The Dark Knight Detective Vol. 7

By Dennis O Neil

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The iconic Batman adventures we know and love from the 90s continue in the latest collection of Detective Comics! Follow Batman as he investigates a bombing with the GCPD—as Batman is in...

The Question Omnibus by Dennis O'Neil and Denys Cowan Vol. 1

By Dennis O Neil

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Comics legends Dennis O’Neil and Denys Cowan reinvent DC’s faceless detective in this massive hardcover collection of the acclaimed 1980s series The Question!Just a few short years afte...

Batman: No Man's Land Omnibus Vol. 2

By Dennis O Neil

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Picking up where the first volume ends, Batman: No Man's Land Omnibus Vol. 2 continues the incredible crossover event that will completely change Gotham and the Dark Knight!Features appearances by...

Batman returns

By Dennis O Neil

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Batgirl: The Greatest Stories Ever Told

By Dennis O Neil, Gil Kane, Terry Dodson

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Secret Origins of the Super DC Heroes

By Dennis O Neil, Carmine Infantino

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Iron Man: Iron Monger

By Dennis O Neil

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Robin: The Teen Wonder

By Geoff Johns, Dennis O Neil, James Robinson, Marv Wolfman, Bill Willingham, Chuck Dixon, Jim Starlin

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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.