Donald LaRocca Books

Warriors of the Himalayas: Rediscovering the Arms and Armor of Tibet

By Donald LaRocca

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How to read European armor

By Donald J. La Rocca

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How to Read European Armor presents a compelling overview of armor in Europe from the Middle Ages through the seventeenth century, the period when armor as an art form achieved its highest levels o...

Academy of the Sword

By Donald J. LaRocca

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Armored Horse in Europe 1480 1620

By Dirk H. Breiding, Donald LaRocca, Stuart W. Pyhrr

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Gods of War

By Donald J. LaRocca

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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.