Claire Welch Books

Killers in Cold Blood

By Ian Welch, Claire Welch, Gordon Kerr, Ray Black, Rodney Castleden

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Worlds Golf Courses

By Ian Welch, Claire Welch

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Takes a disturbing look at the minds and crimes of some of the world's worst female serial murderers, as well as those that managed to defy and evade the authorities, resulting in the deaths of vul...

War crimes

By Claire Welch

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'War Crimes' takes a detailed and disturbing look at some of the worst atrocities ever committed by humankind, from the Holocaust during the Second World War to the chemical attacks carried out on...

Britain s most depraved killers

By Claire Welch

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Drawing on the Daily Mirror's outstanding archive and Haynes Publishing's wealth of experience, this book continues the successful 'Crimes of the Century' series. Claire Welch has been given access...

Cannibal killers

By Claire Welch

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Home front killers

By Claire Welch

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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.