Douglas R Hofstadter Books

Godel, Escher, Bach: An Eternal Golden Braid

By Douglas R. Hofstadter

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I Am a Strange Loop

By Douglas R. Hofstadter

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The Mind s I

By Daniel C. Dennett

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Metamagical Themas

By Douglas R. Hofstadter

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Godel Escher Bach ein Endloses Geflochtenes Band

By Douglas R Hofstadter

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Shows how analogy-making pervades human thought at all levels, influencing the choice of words and phrases in speech, providing guidance in unfamiliar situations, and giving rise to great acts of i...

Surfaces and Essences

By Emmanuel Sander, Douglas R. Hofstadter

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Metamagical Themas

By Douglas R. Hofstadter

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Rhapsody on a theme by Clement Marot

By Douglas R. Hofstadter

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Ambigrammi

By Douglas R. Hofstadter

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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.