John D. Barrow Books

The Book of Nothing

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What conceptual blind spot kept the ancient Greeks (unlike the Indians and Maya) from developing a concept of zero? Why did St. Augustine equate nothingness with the Devil? What tortuous means di...

The Artful Universe

By John D. Barrow

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Book of Universes

By John D. Barrow

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Mathletics

By John D. Barrow

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100 Essential Things You Didn t Know You Didn t Know about Math and the Arts

By John D. Barrow

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100 Essential Things You Didn t Know You Didn t Know

By John D. Barrow

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Cosmic Imagery

By John D. Barrow, John Barrow

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100 Essential Things You Didn t Know You Didn t Know

By John D. Barrow

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The book of universes

By John D. Barrow

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A tour of the strange and wonderful universes that modern physics posits might--just might--be out there.

Mathletics

By John D. Barrow

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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.