Rupert Mathews Books

Mysteries of the Unexplained

By Peter Dennis, Ben Wilson, Rupert Mathews, Sue Crawford, Et Al, John Wright, Gordon C. Davies

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Elvis

By Rupert Mathews

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Ceawlin

By Rupert Matthews

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In this book Rupert Matthews puts forward his ground breaking new theories on the collapse of the post Roman order in Britain and the formation of England. Drawing on newly analyzed written sources...

Warriors Age Of Conquerors Weapons Of War From axes to war hammers weapons from the age of hand to hand fighting

By Rupert Mathews

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Ceawlin

By Rupert Mathews

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Ceawlin

By Rupert Mathews

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Ceawlin

By Rupert Mathews

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Egypt

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Wales

By Rupert Matthews

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The Spine chilling book of horror

By Rupert Matthews

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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.