Book 11

Professor van Dusen in der Höhle des Löwen

by Michael Koser, Marc Freund, Bernd Vollbrecht
Sep 13, 2018
German
Audiobook

Book 12

Professor van Dusen Fährt Achterbahn

by Michael Koser, Marc Freund, Eric Niemann
Nov 24, 2017
German
Audiobook

Book 13

Professor Van Dusen Spielt Theater

by Eric Niemann, Bernd Vollbrecht, Nicolai Tegeler
Mar 23, 2018
German
Audiobook

Book 14

Professor van Dusen Geht Ein Licht Auf

by Marc Freund, Bernd Vollbrecht, Nicolai Tegeler
Jun 15, 2018
German
Audiobook

Book 15

Sep 14, 2018
German
Audiobook

Book 17

Professor van Dusen Setzt die Segel

by Marc Freund, Bernd Vollbrecht, Nicolai Tegeler
Mar 15, 2019
German
Audiobook

Book 18

Professor van Dusen und der lachende Mörder

by Marc Freund, Bernd Vollbrecht, Nicolai Tegeler
Jun 14, 2019
German
Audiobook

Book 19

Professor van Dusen Legt Einen Köder Aus

by Marc Freund, Bernd Vollbrecht, Nicolai Tegeler
Oct 7, 2019
German
Audiobook

Book 20

Professor van Dusen Weihnachtsgeschichte

by Marc Freund, Bernd Vollbrecht, Nicolai Tegeler
Oct 23, 2020
German
Audiobook

Book 21

Professor van Dusen Zählt Nach

by Marc Freund, Bernd Vollbrecht, Nicolai Tegeler
May 7, 2020
German
Audiobook

Book 23

Professor van Dusen und die Witwentröster von Bombay

by Marc Freund, Bernd Vollbrecht, Nicolai Tegeler
Oct 23, 2020
German
Audiobook

Book 24

Professor Van Dusen Und Die Regenbogenmorde

by Marc Freund, Bernd Vollbrecht, Nicolai Tegeler
Nov 27, 2020
German
Audiobook