Peter Unger Books

Identity, consciousness, and value

By Peter Unger, Peter K. Unger

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Living high and letting die

By Peter K. Unger

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By sending a few hundred dollars to a group like UNICEF, any well-off person can ensure that fewer poor children die, and that more live reasonably long, worthwhile lives. But even when knowing thi...

Identity, Consciousness and Value

By Peter Unger

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Living High and Letting Die: Our Illusion of Innocence

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Philosophical Papers: Volume One: v. 1

By Peter K. Unger

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Philosophical Relativity

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All the Power in the World

By Peter K. Unger

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Philosophical Papers: Volume Two: v. 2

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All the Power in the World

By Peter K. Unger

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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.