The Case with Nine Solutions
Highest Rank
#
1
J.J. Connington
out of 5 stories 
Other Rankings
#
1
Locked Room Mystery
out of 4 stories
#
1
Impossible Crime
out of 1 stories
#
2
Puzzle Mystery
out of 8 stories
#
3
Golden Age Mystery
out of 23 stories
#
6
Classic Crime
out of 37 stories
#
11
British Mystery
out of 62 stories
#
16
Detective Fiction
out of 78 stories