Graham McNeill Books

The killing ground

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In the nightmare world of Warhammer 40,000, no servants of the Imperium are more dedicated than the Ultramarines. Having escaped from the Eye of Terror, Uriel Ventris and Pasanius must now fight th...

God King

By Graham McNeill

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Warriors of Ultramar Ultramarines

By Graham McNeill

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The Ambassador

By Graham McNeill

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Eye Of Vengeance

By Graham McNeill

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Defenders of Ulthuan

By Graham McNeill

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Ultramarines

By Graham McNeill

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Ultramarines The Second Omnibus

By Graham McNeill

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Black Crusade

By Graham McNeill, Gordon Rennie, Ben Counter

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Ursun s Teeth

By Graham McNeill

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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.