Richard Birkefeld Books

Wir sind die Niedersachsen! Wer sind die Niedersachsen?

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Des hommes de tete

By Richard Birkefeld

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Deux dans Berlin

By Richard Birkefeld

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Hiver 1944. Dans un hôpital militaire, Hans-Wilhelm Kalterer, un ancien des services de renseignements de la SS, se remet d'une blessure par balle. Il sait que la guerre est perdue et qu'il doit se...

Deux dans Berlin

By Richard Birkefeld

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Roman historique. Roman policier

Des hommes de tete

By Richard Birkefeld

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Roman policier. Roman historique

Stollen Schnee und Sensenmann

By Mechtild Borrmann, Jean Bagnol, Daniel Holbe, Tatjana Kruse, Petra Busch, Sven Koch

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Mo rderische Leckerbissen

By Richard Birkefeld, Cornelia Kuhnert

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Sonne Mord und Meer

By Nadine Buranaseda, Sven Andre Dreyer, Catrin George, Paul Pfeffer, Conny Anken, Richard Birkefeld, Dimitros Athanasiou, Ricarda Oertel, Myk Jung, Ulrike Anna Bleier, Ivonne Keller, Harry Michael Liedtke, Klaus Markert, Christian Linker, Ilka Stitz, Anne Griesser, Gina Greifenstein, Helga Murauer, Regina Schleheck

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Die Stadt, der Larm und das Licht

By Richard Birkefeld

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Altes und neues Wohnen

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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.