William W. Fortenbaugh Books

Aristotle on emotion: A contribution to philosophical psychology, rhetoric, poetics, politics, and ethics

By William W. Fortenbaugh, W. W. Fortenbaugh

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Aristotle on emotion

By William W. Fortenbaugh

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Aristotle on emotion

By William W. Fortenbaugh

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Rutgers University Studies in Classical Humanities Demetrius of Phalerum Text Translation and Discussion

By William W. Fortenbaugh

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Eudemus of Rhodes Rutgers University Studies in Classical Humanities 11

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Lyco of Troas and Hieronymus of Rhodes

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"The book focuses on two Peripatetic philosophers who lived in the third century BCE, when Stoicism and Epicureanism flourished. Lyco of Troas was the third head of the Peripatos after Aristotle. H...

Aristo of Ceos

By William Fortenbaugh, Stephen White

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On Stoic and Peripatetic Ethics

By William Fortenbaugh

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On Stoic and Peripatetic Ethics

By William Fortenbaugh

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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.