William Caferro Books

Mercenary companies and the decline of Siena

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Among the most dramatic problems faced on the Italian peninsula in the fourteenth century were the raids of marauding mercenary companies. These companies, known locally as Companies of Adventure a...

John Hawkwood

By William Caferro

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The unbounded community

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The Routledge History of the Renaissance

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Contesting the Renaissance Contesting the Past

By William Caferro

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Contesting the Renaissance Contesting the Past

By Caferro

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Broken Lights Mended Lives

By Rowan A. Greer

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Broken Lights and Mended Lives

By William Caferro

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John Hawkwood

By William Caferro

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Petrarch s War

By William Caferro

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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.