David Reidy Books

The Southern Sky: A Practical Guide to Astronomy

By David Reidy, Ken Wallace

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The Solar System: A Practical Guide

By David Reidy

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On the Philosophy of Law Wadsworth Philosophical Topic

By David A. Reidy, David Reidy

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Human Rights

By David Reidy, Cindy Holder

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Cambridge Rawls Lexicon

By David Reidy, Jon Mandle, David A. Reidy

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"John Rawls is widely regarded as one of the most influential philosophers of the twentieth century, and his work has permanently shaped the nature and terms of moral and political philosophy, depl...

Address of Brian Boru

By David Reidy

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Human Rights

By David Reidy, Cindy Holder

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Human Rights

By David Reidy, Cindy Holder

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Cambridge Rawls Lexicon

By David Reidy, Jon Mandle

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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.