Robert Leeson Books

Silver's revenge

By Robert Leeson

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Slambash wangs of a compo gormer

By Robert Leeson

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An awkward fourteen-year-old who imagines himself prince of a distant planet suddenly discovers that the planet is real when he and the Prince are switched and must fight to survive in each other's...

Wheel of Danger

By Robert Leeson

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Wheel of Danger

By Robert Leeson

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White Horse

By Robert Leeson

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Coming Home

By Robert Leeson

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Red White and Blue

By Robert Leeson

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The Cimaroons

By Robert Leeson

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Cascades The Third Class Genie

By Robert Leeson

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Collins Drama - The Third-Class Genie

By Robert Leeson

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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.