Donald McCarthy Books

Other Suns. Other Worlds?: The Search For Extra Solar Planetary Systems

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Recent announcements of the discovery of extrasolar planetary systems have made headlines worldwide. But the belief in and search for other worlds dates back almost to the beginning of recorded his...

The Bacchanal: And Other Horrific Tales

By Shannon Hollinger, Joe DiCicco, Kathryn Hearst, Nikki Browning, Ray Dean, Thomas Kleaton, Kristi King-Morgan, Teel James Glenn, T.S. Hall, John Robinson, John Kaniecki, Donald McCarthy, Lorraine Nelson, Sean Taylor

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A Chilling Collection Of Modern Horror Stories Full Of Both Creepy Events And Morbid Humor.

Fun With Math-E-Magic

By Donald McCarthy

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Ethical Evaluation of Fetal Experimentation

By Donald McCarthy

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Kzine Issue 5

By Joe Jablonski, Donald McCarthy, M. Bennardo, Gregory Marlow, Paul Miller

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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.