English | hardback | 232 p. | 2015
German | hardback | 232 p. | 2019
English | paperback | 320 p. | 2013
English | hardback | 442 p. | 2020
English | paperback | 196 p. | 2014
English | paperback | 64 p. | 2009
English | paperback | 222 p. | 2020
English | paperback | 24 p. | 2022
English | paperback | 352 p. | 1999
English | paperback | 176 p. | 2017
English | paperback | 1988
English | paperback | 364 p. | 1988
English | paperback | 1988