Michael Maar Books

Geister und Kunst. Neuigkeiten aus dem Zauberberg.

By Michael Maar

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Haralampi G. Oroschakoff

By Michael Maar, Haralampi G. Oroschakoff, Diana Grafin Von

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The Two Lolitas

By Michael Maar Introduction By Daniel Kehlmann

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A leading German scholar reveals his astonishing discovery about Nabokov’s influential novelWe know the girl and her story, just as we know the title. But the author was Heinz von Eschwege, w...

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...

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.