J. M. Upton-Ward Books

Rule of the Templars

By J. M. Upton Ward

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The Catalan rule of the Templars

By Archivo De La Corona De Aragon., J.M. Upton Ward

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"The Knights Templar, part monastic order, part military force, lived by a firm code, or rule, which exists in differing versions. The Catalan version, presented here with facing English translatio...

New Millennium Perspectives on the Humanities

By Judi Upton Ward

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Global Psychology

By Benjamin Katz

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Codigo Templario El Texto Integro de La Regla

By J. M. Upton Ward

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Rule of the Templars

By J. M. Upton Ward

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On Land and by Sea

By Malcolm Barber, J. M. Upton Ward, Victor Mallia Milanes, Helen J. Nicholson, Judi Upton Ward

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Military Orders Volume IV

By Judi Upton Ward

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Rule of the Templars

By J. M. Upton Ward

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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.