Bill Matheny Books

Batman Strikes The

By Bill Matheny

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Batman defends Gotham City from a host of evil villains.

Batman Strikes The

By Bill Matheny, Matthew K. Manning

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Batman Strikes The

By Bill Matheny, Terry Beatty, Christopher Jones, J. Torres

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"In this adventure starring the Joker, criminals are getting caught, then disappearing - but where? When the Joker plays police officer, it's 'Outlaw and Disorder' for Gotham City and Batman!"--Pub...

In the clutches of the Penguin

By Bill Matheny

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A young Batman battles the Penguin as he pulls a heist that could reveal Bruce Wayne's secret identity and destroy vast portions of Gotham City. In this story starring a young Batman who is new to...

Going...batty

By Bill Matheny

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The creature called Man-Bat escapes Arkham Asylum with a secret weapon and a sonar shriek that makes citizens turn batty, and it is up to Batman to keep Gotham City from becoming a city of bats. T...

Joker s wild

By Bill Matheny

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When the Joker plays police officer, it is outlaw and disorder for Gotham City and Batman. In this adventure starring the Joker, criminals are getting caught and then disappearing. When the Joker...

The Tick

By Bill Matheny, Rurik Tyler, Dwayne McDuffie

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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.