Robert Douglas Smith Books

Make all sure

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Major papers presented October 2002 in Malta at the first ever international conference on the conservation and restoration arms and armour.

ARTILLERY OF THE DUKES OF BURGUNDY, 1363-1477.

By Robert Douglas Smith, Smith Robert D.

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"A major new exploration of the history and development of gunpowder weapons in the 15th century based on the artillery of the Dukes of Burgundy"--Provided by publisher.

Rhodes besieged

By Robert Douglas Smith

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Medieval military technology

By Kelly DeVries

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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.