Lesley Cookman Books

Murder in Midwinter

By Lesley Cookman

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Murder by the sea

By Lesley Cookman

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Fourth title in the bestselling Libby Sarjeant murder mystery series. This new edition contains a map of Steeple Martin, cast of characters and a bonus chapter from the next title in the series. Ps...

Murder in Bloom

By Lesley Cookman

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Murder by the sea

By Lesley Cookman

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Murder to Music

By Lesley Cookman

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Murder in the dark

By Lesley Cookman

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Detective and mystery stories. An unidentified woman's body is found in a remote garden in Kent. With the owners not in residence, the only people with legitimate access are the caretaker, Johnny,...

Murder in the dark

By Lesley Cookman

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Detective and mystery stories. An unidentified woman's body is found in a remote garden in Kent. With the owners not in residence, the only people with legitimate access are the caretaker, Johnny,...

Murder in a Different Place

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Murder Out of Tune

By Lesley Cookman

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Murder by the sea

By Lesley Cookman

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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.