Timothy F. Johnson Books

Defending the conquest

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"An English translation and critical edition of a refutation, written about 1603 by the soldier Bernardo de Vargas Machuca, of Bartolome de las Casas's famous Brief Account of the Destruction of th...

Indian Militia and Description of the Indies

By Jo Ellen Fair, Timothy F. Johnson, Neil L. Whitehead, Kris Lane, Bernardo De Vargas Machuca

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Basques and Vicunas at the Mouth of Hell

By Timothy F. Johnson, Kris Lane

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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.