There are a number of inheritors to a fortune who are getting killed by a mysterious somebody whom we do not see. Each death is novel, but not terribly graphic. Who did it?
2010
2014
1956
1977
1976
1934
1931
1932
2005
1995
1997
2002
2001
2013
1978
1996
1972
1963
1945
1971
