Notes on this edition: Dan Kavanagh. Duffy. Berlin: Ullstein Krimi, 1981. Pp. 156 + [4]. 17.8 x 11.6 cm. Translated by Bernd Jost. ISBN: 3548101313. (German).
German translated of Duffy by Dan Kavanagh. Published in December 1981, this is number 10131 in the Ullstein Krimi series of paperback thrillers.