Paul Kearney Books

Riding the unicorn

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John Willoughby is being pulled between worlds. Or he is going mad, 'riding the unicorn' as his prison officer colleagues would say. It's clear to Willoughby it must be the latter. Disappearing in...

Primeval sees evolutionary zoologist Nick Cutter make the terrifying discovery that prehistoric creatures are alive and well in the twenty-first century. The natural world is turned on its head and...

Security

By Paul Kearney

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This pocket guide is based on the approach used by BT to protect its own data security - one that draws on the capabilities of both people and technology. The guide will prove invaluable for IT man...

Calgar's Fury

By Paul Kearney

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An action-packed novel about Marneus Calgar, Chapter Master of the Ultramarines and Lord of Macragge, written by critically acclaimed author Paul Kearney.The Realm of Ultramar stands as a shining b...

The Mark of Ran

By Paul Kearney

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Primeval: The Lost Island

By Paul Kearney

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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.