Mary Gribbin Books

The Science of Philip Pullman's His Dark Materials

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Philip Pullman’s His Dark Materials trilogy is renowned for its mystery and magic. What’s the truth behind it all? Is the golden compass actually based in science? How does the subtle knife cut...

Out of the Shadow of a Giant

By John Gribbin, Mary Gribbin

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Stardust

By Mary Gribbin, John R. Gribbin

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The Science of Philip Pullman s His Dark Materials

By John Gribbin, Mary Gribbin

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Too Hot to Handle

By Mary Gribbin, John R. Gribbin

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From Here to Infinity

By John Gribbin, Mary Gribbin

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James Lovelock

By John Gribbin, Mary Gribbin

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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.