John D. Barrow Books

Cosmic Imagery: Key Images in the History of Science

By John D. Barrow

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The origin of the universe

By John D. Barrow

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The Book of Nothing

By John D. Barrow

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The Constants of Nature: From Alpha to Omega--the Numbers That Encode the Deepest Secrets of the Universe

By John D. Barrow

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"The constants of nature are the numbers that define the universe. They tell us how strong its forces are and what its fundamental laws can do: the strength of gravity and magnetism, the speed of l...

The Infinite Book

By John D. Barrow

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The Book of Nothing

By John D. Barrow

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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 Physical Universe

By John D. Barrow, Autumn School Of Physics 12th 1990 Lisbon Portugal

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100 essential things you didn t know you didn t know

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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At first glance, the worlds of math and the arts might not seem like comfortable neighbors. But as mathematician John D. Barrow points out, they have a strong and natural affinity--after all, math...

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

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.