Denny O' Neil Books

Batman

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"1969: The X-Men, Marvel's poorest selling title, was in dire need of a shot in the arm. Enter Roy Thomas and Neal Adams, and get ready for one of the most amazing evolutions in Marvel history! The...

Showcase Presents

By Michael L. Fleisher, Gil Kane, Arnold Drake, Robert Kanigher, John Albano

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Diana Prince Wonder Woman

By Mike Sekowsky

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"Diana and her sensei/companion I-Ching join the jet set in a series of road trips and encounter danger at every stop"--P. [4] of cover.

Bat Lash

By Denny O' Neil, Sergio Aragonés, Nick Cardy

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This value-priced volume stars Bat Lash, a self-professed pacifist, ladies' man and gambler whose hands are never far from his six-guns. These are the original stories from the 1960s, involving ji...

Green Lantern

By Dennis O Neil

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Sword of Sorcery: Tales of Fantastic Adventure!

By Paul Levitz, George Alec Effinger, Denny O Neil, Fritz Leiber

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Star Trek omnibus

By Dennis O Neil

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Wonder Woman Vol. 4

By Denny O Neil Don Heck Dick Giordano Mike Sekowsky

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Batman

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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.