Kevin Conroy Books

Natural approach to ophthalmology and otolaryngology

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Batman

By Michael Keaton, Dennis O Neil, Andrew Farago, Gina McIntyre, Kevin Conroy

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Natural Approach to Ophthalmology and Otolaryngology 6th Edition

By Eric Yarnell, Keegan Sheridan, Kevin Conroy

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Batman & Mr. Freeze

By Kevin Conroy

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Full length movie from the animated Fox television series with a film noir quality. Batman must battle a new enemy, the Phantasm.

It's Not Harder Than Cancer

By Kevin Conroy, Michael Holtz, Zane Hagy

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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.