The Regatta Mystery and Other Stories: Featuring Hercule Poirot, ...
Agatha Christie
Sleeping Murder (written around 1940, published 1976)
Miss Marple (13)
Three Hearts and Three Lions
Poul Anderson
Holger Danske (1)
The Maid / Find Me / Peak Peril
André Aciman & Sharna Jackson & Nita Prose
BEYOND THE LOOKING-GLASS
Gordon Rothwell
Beyond (1)