Thomas Cathcart Books

Plato and a Platypus Walk into a Bar . . .

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This New York Times bestseller is the hilarious philosophy course everyone wishes they’d had in school.Outrageously funny, Plato and a Platypus Walk into a Bar... has been a breakout bestseller eve...

I think therefore I draw

By Thomas Cathcart

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Aristotle and an Aardvark Go to Washington

By Thomas Cathcart, Daniel Klein

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Plato and a Platypus Walk into a Bar

By Thomas Cathcart, Daniel Klein

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Here's a lively, not-so-reverent crash course through the great philosophical traditions, schools, concepts, and thinkers. It's Philosophy 101 for everyone who knows not to take all this heavy stuf...

Plato and a Platypus Walk Into a Bar . . .

By Daniel Klein, Thomas Cathcart

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Heidegger and a hippo walk through those pearly gates

By Thomas Cathcart

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Troleybus Problemi

By Thomas Cathcart

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Aristoteles ile Bir Karincayiyen Washington a Gider

By Nihan Yegengil Thomas Cathcart Daniel Klein

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Platon Bir Gun Kolunda Bir Ornitorenkle Bara Girer

By Thomas Cathert

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Nietzsche Oldu Bir Hipopotam Olarak Yeniden Dogdu...

By Daniel Klein

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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.