Gerd Haffmans Books

Das Alfred Andersch Lesebuch

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Ein Querschnitt durch das Gesamtwerk: autobiographische Geschichten, Erzählungen, Gedichte, Hörspiele, Reiseberichte, Essays und Aufsätze (u.a. ›Deutsche Literatur in der Entscheidung. Ein Beitrag...

Leben und Werk

By Gustave Flaubert

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Das schone schrage Weihnachtsbuch.

By Gerd Haffmans

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Der Rabe I. Magazin fur jede Art von Literatur

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Der Rabe: Magazin fur jede Art von Literatur - Nummer 30

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Der Rabe Nr. 55 Der neueste Neue Deutsche Literatur Rabe

By Von Heiko Arntz And Gerd Haffmans

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Der Rabe Nr.57 Der Verweigerungs Rabe

By Max Goldt, Heiko Arntz

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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.