Paul E. Griffiths Books

What emotions really are

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Paul E. Griffiths argues that most research on the emotions has been as misguided as Aristotelian efforts to study "superlunary objects" - objects outside the moon's orbit. Such subjects exist, of...

What Emotions Really Are: The Problem of Psychological Categories

By Paul E. Griffiths

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Trees of Life

By Paul E. Griffiths

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What Emotions Really Are

By Paul E. Griffiths

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Sex and Death

By Kim Sterelny, Paul E. Griffiths

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Cycles of Contingency

By Russell D. Gray, Paul E. Griffiths, Susan Oyama

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What Emotions Really Are

By Paul E. Griffiths

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Trees of Life

By Paul E. Griffiths

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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.