Michael Baumann Books

Rausch und Terror

By Bommi Baumann

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Wie alles anfing

By Bommi Baumann

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Wie alles anfing.

By Bommi Baumann

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Die Parlamentarische Sprache In der Ratsberichterstattung

By Bommi Baumann

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Wie alles anfing

By Bommi Baumann

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Bommi Baumann war Mitglied des 2. Juni. Er lebt jetzt noch im Untergrund. Dieses Buch ist seine Lebensgeschichte: Weshalb er als proletarischer Jugendlicher zur Stadtguerilla kam und welche Vorstel...

Terror or love?

By Bommi Baumann

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Terror or love?

By Bommi Baumann

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Carlos Fonseca Speaks

By Bommi Baumann, Carlos Fonseca

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How It All Began

By Bommi Baumann

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Neue Paracelsus Edition

By Paracelsus

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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.