English | hardback | 170 p. | 1996
German | paperback | 288 p. | 2003
German | paperback | 240 p. | 2010
German | paperback | 304 p. | 2016
German | paperback | 240 p. | 2009
German | paperback | 236 p. | 2010
German | paperback | 212 p. | 2009
French | paperback | 268 p. | 2013