Peter W. Marx Books

Dulberg meets Wagner

By Peter W. Marx, Ewald Dulberg, Sascha Forster

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Hamlets Reise nach Deutschland

By Peter W. Marx

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Dokumente Plane Traumreste

By Peter W. Marx

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1919 begründete der Kölner Gelehrte Carl Niessen eine Lehrsammlung für das neue Fach Theaterwissenschaft an der gerade wiedereröffneten Universität zu Köln. Ziel war und ist es, die Vielseitigkeit...

Macht Spiele

By Peter W. Marx

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A party for Will

By Peter W. Marx, Petra Hesse

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Handbuch Drama

By Peter W. Marx

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Heiner Muller, Bildbeschreibung

By Peter W. Marx

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Theater und kulturelle Erinnerung: kultursemiotische Untersuchungen zu George Tabori, Tadeusz Kantor und Rina Yerushalmi

By Peter W. Marx

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Max Reinhardt

By Peter W. Marx

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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.