Martin Mobberley Books

Supernovae

By Martin Mobberley

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Total Solar Eclipses and How to Observe Them Astronomers Observing Guides

By Martin Mobberley

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Cataclysmic cosmic events and how to observe them

By Martin Mobberley

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"This book invites you to observe the most spectacular, high-energy events taking place in the cosmos. Even though these events may occur hundreds, thousands, millions or even billions of light-yea...

Cataclysmic cosmic events and how to observe them

By Martin Mobberley

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Space

By Martin Mobberley, Marin Mobberley

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Out of this World Space

By Martin Mobberley, Stephen Sweet

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Space Navigator Mini Maestro

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Space Know How Know Why

By Martin Mobberley

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Space Know How Know Why

By Top That

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Space Stickertastics

By Gordon Volke

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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.