From a British mystery author known as "the master of the whodunnit," an amateur detective delights in solving murders at an English boys' school. Prof. Gervase Fen of Oxford University is honored to award the prizes at the Speech Day ceremonies at Castrevenford High School. As it turns out, the headmaster's selection of the part-time sleuth as a presenter is most fortuitous indeed. For the night before the big event, two of the school's...