Georges Duby Books

The Three Orders: Feudal Society Imagined

By Georges Duby

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Love and marriage in the Middle Ages

By Georges Duby

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In this volume Georges Duby - member of the Academie Francaise and one of the preeminent medieval scholars of our time - addresses the theme of love and marriage in the Middle Ages. These essays e...

Women of the Twelfth Century Volume 3

By Georges Duby

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Women of the Twelfth Century Volume 3

By Georges Duby

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The early growth of the European economy

By Georges Duby

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History of medieval art 980-1440

By Georges Duby

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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.