Unhinged
A. G. Howard
Splintered (2)
Dumb Witness (1937) (aka Poirot Loses a Client)
Agatha Christie
Hercule Poirot Mystery (17)
Tricks and Traps
Alex Siegel
Mirage
Mark W. Tiedemann
Isaac Asimov's Robot Mystery (2)
In Too Deep (Grayton Series Book 4)
Jill Sanders