The Mysterious Affair at Styles

Agatha Christie s first novel to feature Hercule Poirot is 1920s The Mysterious Affair at Styles. Among the most well-known fictional investigators in the world, the little, meticulous Belgian is one of her most recognizable creations. The novel is a prime example of the "cozy mystery," a subgenre of crime fiction in which affluent protagonists solve intricate murder mysteries while relaxing at home. Set on a sprawling estate during the years of the Great War, also known as World War I.