Helen Nicholson Books

Medieval Warfare: Theory and Practice of War in Europe, 300-1500

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"Warfare in medieval times was never static or predictable - although there were ideals and conventions to follow, in the field commanders had to use their initiative and adapt to the needs of the...

Love, War And The Grail: Templars, Hospitallers And Teutonic Knights In Medieval Epic And Romance 1150-1500

By Helen Nicholson, Helen J. Nicholson

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This study of the appearances of the military orders in medieval French, German, and English epic and romance literature analyses the orders' various literary roles and considers why writers throug...

Women, Madness and Spiritualism

By Helen Nicholson, Roy Porter, Bridget Bennett

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Making A Performance

By Govan Normingto, Emma Govan

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Making A Performance

By Govan Normingto, EMMA GOVAN

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Templars Hospitallers and Teutonic Knights

By Helen J. Nicholson

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The Knights Templar

By Helen J. Nicholson

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Teaching Drama 11 18

By Helen Nicholson

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The Military Orders

By Helen Nicholson

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The Crusades

By Helen J. Nicholson

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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.