Michael Maar Books

Das Blaubartzimmer. Thomas Mann und die Schuld.

By Michael Maar

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Lolita und der deutsche Leutnant

By Michael Maar

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Warum Nabokov Harry Potter gemocht hatte

By Michael Maar

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Warum Nabokov Harry Potter gemocht hatte

By Michael Maar

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Bluebeard's Chamber

By Michael Maar

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Over the last twenty years, much critical discussion of Thomas Mann has highlighted his homosexuality. This not only is presented as a dynamic underlying Mann’s creative work, but also is the...

On the eve of the controversial, posthumous publication of The Original of Laura, Michael Maar follows his critically acclaimed The Two Lolitas with a revealing new perspective on Vladimir Nabokov&...

Schrage Marchen.

By Michael Maar, Hans Christian Andersen

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Die Schlange im Wolfspelz

By Michael Maar

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Geister und Kunst. Neuigkeiten aus dem Zauberberg.

By Michael Maar

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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.