Reihe Küsten KrimiRalph Westerhoff × Raue See Ralph WesterhoffEmons Verlag 2013 Raue See Ralph WesterhoffEmons VerlagTaschenbuch2013 Kalte Fluten Ralph WesterhoffEmons Verlag 2012 Kalte Fluten Ralph WesterhoffEmons VerlagTaschenbuch2011