Craig Harrison Books

Grievous bodily

By Craig Harrison

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The Longest Kill: The Story of Maverick 41, One of the World's Greatest Snipers

By Harrison Craig Sniper

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It takes a tough mindset to be a successful sniper, to be able to dig in for days on your own as you wait for your target, to stay calm on a battlefield when you yourself have become the target the...

Quiet Earth

By Craig Harrison

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A story of the last man on Earth. Also available as a movie.

Days of Starlight

By Craig Harrison

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Days of Starlight Pr B NZ

By Craig Harrison

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Broken October

By Craig Harrison

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Stellar Service

By Craig Harrison

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The Longest Kill

By Craig Harrison

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The longest kill

By Harrison Craig Sniper

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Angel Girl

By Craig Harrison

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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.