Joseph M. Boyle Books

Natural Law Theory

By Robert P. George, Joseph M. Boyle

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Free choice

By Joseph M. Boyle

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The Dependent Elderly

By Luke Gormally, Joseph M. Boyle

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Euthanasia Examined

By Joseph M. Boyle

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Just war thinking in Catholic natural law.

By Terry Nardin, Joseph M. Boyle

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A superb introduction to the ethical aspects of war and peace, this collection of tightly integrated essays explores the reasons for waging war and for fighting with restraint as formulated in a di...

Duties to others

By Joseph M. Boyle

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Catholic Sexual Ethics

By Ronald Lawler, Ronald David Lawler, Joseph M. Boyle, William E. May

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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.