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?
2021
1996
—
1945
1963
1972
1976
1934
1931
1932
1981
1975
1969
2003
1978
1974
1946
1973
1944
2007
