Christopher Gravett Books

Battles Of The Middle Ages [Set]

By Matthew Bennett, Stephen R. Turnbull, Pete Armstrong, David Nicolle, Christopher Gravett, Viacheslav Olegovich Shpakovskii

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Hastings 1066: The Fall Of Saxon England

By Christopher Gravett, Nicolle, David, Shpakovskii, Viacheslav Olegovich, Turnbull, Stephen R., Bennett, Matthew, Armstrong, Pete, Gravett, Christopher

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Fought on 14th October 1066 between Duke William of Normandy and Harold Godwinson, king of England, the Battle of Hastings irrevocably changed the course of English history. William's victory ensur...

Battles of the Renaissance

By Angus Konstam

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Bosworth 1485: Last Charge of the Plantagenets

By Christopher Gravett

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Tewkesbury 1471: The Last Yorkist Victory

By Christopher Gravette, Christopher Gravett

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Going to War in Viking Times Armies of the Past

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Going to War in Viking Times Armies of the Past

By Christopher Gravett

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Going to War in Viking Times

By Christopher Gravett

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Knight

By Geoff Dann

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Discusses the age of knighthood, covering such aspects as arms, armor, training, ceremonies, tournaments, the code of chivalry, and the Crusades.

Castle

By Christopher Gravett

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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.