The Man Who Knew Too Much is collection of short mysteries featuring G. K. Chesterton`s amateur sleuth Horne Fisher. These eight stories recount the adventures of Horne Fisher, a socialite who uses his powerful deductive gifts to investigate crimes committed on the sprawling country estates of the aristocracy. Gilbert Keith Chesterton was an English prolific and diverse writer whose subjects include philosophy, ontology, poetry, playwriting, Christian apologetics, and fiction, including detective fiction. Chesterton is well known for his reasoned apologetics , as a political thinker and orthodox Christian.