C. Stephen Jaeger Books

The origins of courtliness

By C. Stephen Jaeger

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Enchantment

By C. Stephen Jaeger

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Origins of courtliness

By C. Stephen Jaeger

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Ennobling love

By C. Stephen Jaeger

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The envy of angels

By C. Stephen Jaeger

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In The Envy of Angels, C. Stephen Jaeger studies the German and French cathedral schools, the major centers of secular learning in Europe until the rise of the universities in the twelfth century....

Origins of Courtliness Middle Ages Series

By C. Stephen Jaeger

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Ennobling love

By C. Stephen Jaeger

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Scholars and Courtiers

By C. Stephen Jaeger

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Emotions and Sensibilities in the Middle Ages

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Die Entstehung Hofischer Kultur

By C. Stephen Jaeger

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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.