Michael Sommer Books

Neu denken, neu handeln

By Lothar Schroder, Michael Sommer, Michael Schwemmle

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Europa sozial gestalten

By Michael Sommer, Hans Joachim Schabedoth

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Dokumente zur Menschenrechtslage

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Antifa heisst Luftangriff

By Susann Witt Stahl, Michael Sommer

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Krieg Gesellschaft Institutionen

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Book of Seven Seals

By Michael Sommer, Thomas J. Kraus

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The Book of Revelation is a peculiar text whose special status in early Christianity is manifested by its manuscript attestation, transmission, literary references and discussions among early Churc...

Der Tag der Plagen

By Michael Sommer

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Formularbuch Umwandlungen

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Der Gesellschaftsvertrag der GmbH u. Co KG.

By Michael Sommer

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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.