Harcourt, Brace & World 1970. Book Club edition.
When a mysterious letter writer warns Inspector Maigret that a murder is imminent, Maigret must trace the messages back to their source before it is too late
When a series of letters, penned on expensive stationery, arrives at Maigret's desk claiming that a murder will take place but that the writer is unsure as to who will die, who will do the killing, and when the killing will occur, Maigret's interest is piqued. He quickly traces the stationery back to the house of Emile Parendon, an eminent lawyer. But once there, the inspector finds that pinning down clues to a crime not yet committed isn't easy. When a murder does take place, the identity of the victim surprises even Maigret.
A twisty and engrossing mystery, Maigret Hesitates puts the great detective's powers to the test.