Utilitarianism
John Stuart Mill
Sign of Chaos
Roger Zelazny
Amber (8)
Racket Town
Maxwell Grant
The Shadow (88)
Battle of Greed
The Shadow (113)
Taken at the Flood
Agatha Christie
Poirot (27)
Dead Man's Folly
Poirot (31)
Elephants Can Remember
Poirot (36)