“Hercule Poirot’s Christmas” (1938) is a solid book with one of the most unlikely types of killers in Agatha Christie’s catalog, but it’s a little
Hercule Poirot uses his knowledge of human psychology to solve crimes almost as much as he uses physical evidence. In her Christie estate-commissioned Poirot novels,
Nearly a century after Agatha Christie invented Hercule Poirot, another writer was given the go-ahead to put words in his mouth for the first time,
Hercule Poirot is known for using his understanding of human psychology to solve murders, and never is this more extreme than in “The Mystery of
A mystery novel can go off the rails if the author piles on too many implausibilities at the end. Sophie Hannah, in her second Christie-estate-approved