Communing with Mr. Quin: The Sign in the Sky by Agatha Christie

Time for another wacky installment of the enigmatic Mr. Quin and the put-upon Mr. Satterthwaite, who we see traversing not only the Atlantic Ocean but the Canadian continent in this story of a fatal attraction. (Be assured that no bunnies will be harmed in the reading of this story, or the listening of this episode.)