Michael Hanlon Books

The Science of the Hitchhiker's Guide to the Galaxy

By Michael Hanlon

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10 Questions Science Can't Answer Yet a Guide to the Scientific Wilderness

By Michael Hanlon

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Identifies ten scientific questions on a number of interesting topics and explains why these compelling mysteries remain unsolved.

Ten questions science can't answer (yet)

By Michael Hanlon

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10 Questions Science Can't Answer (Yet)

By Michael Hanlon

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Considering questions such as 'Where did language come from?' and 'Do animals know they exist?', Michael Hanlon explores possible theories and dispatches a few of the less likely ones in his quest...

The Science of The HitchHiker's Guide to the Galaxy

By Michael Hanlon, Julian Rhind Tutt

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The Worlds of Galileo: The Inside Story of Nasa's Mission to Jupiter

By Michael Hanlon

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In the Interests of Safety The absurd rules that blight our lives and how we can change them

By Michael Hanlon, Tracey Brown

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The Real Mars

By Michael Hanlon

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The science of The Hitchhiker s Guide to the Galaxy

By Michael Hanlon

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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.