Margot Fassler Books

Gothic Song: Victorine Sequences and Augustinian Reform in Twelfth-Century Paris

By Margot Fassler, Margot Elsbeth Fassler

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Because the liturgy stood at the very heart of medieval religious experience, the study of liturgical change is basic to understanding the Middle Ages, its religious life, and its art. In this far-...

La musica en el Occidente medieval

By Juan Gonzalez Castelao Martinez, Margot Fassler

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Anthology for Music in the Medieval West Western Music in Context A Norton History

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Music In The Medieval West

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Female in progress

By Margot Fassler

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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.