Malcolm MacKay Books

Lack Brothers The

By Malcolm MacKay

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More than coincidence

By Malcolm G. Mackay

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For Those Who Know the Ending

By Howard Hughes

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The necessary death of Lewis Winter

By Malcolm Mackay

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A twenty-nine-year-old man lives alone in his Glasgow flat. The telephone rings; a casual conversation, but behind this a job offer. The clues are there if you know to look for them. He is an exper...

The necessary death of Lewis Winter

By Malcolm Mackay

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Il faut tuer Lewis Winter

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Suerte maldita

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De onvermijdelijke dood van Lewis Winter Glasgow

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Necessary Death of Lewis Winter

By Malcolm Mackay

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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.