Robert Leeson Books

Dog Who Changed the World

By Robert Leeson, Leeson

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Harold and Bella, Jammy and me

By Robert Leeson

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Genie on the Loose

By Robert Leeson

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Never Kiss Frogs

By Robert Leeson

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The Eclipse of Keynesianism

By Robert Leeson

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"This book examines the internal dynamics of the economics profession and explores the process by which two Chicago economists, Milton Friedman and George Stigler, influenced the direction of world...

The Eclipse of Keynesianism

By Robert Leeson

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Reed Suspense

By Sue Welford, Robert Leeson, David Belbin, Keith Gray

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Robert Leeson Zarnia Pack

By Robert Leeson

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How Alice saved Captain Miracle

By Robert Leeson

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Swapper

By Robert Leeson, Anthony Lewis

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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.