J. Storer Clouston first introduced his quick-witted but understated detective Mr. F. T. Carrington ( Inquiry Agent ) in the mystery novel Simon. A well-respected man is murdered, and the shadow of guilt may hamper a romance. Carrington s investigation uncovers the villain. Following this, Clouston compiled a series of shorter mysteries in Carrington s Cases (one of which is a humorous parody of Arthur Conan Doyle s Dr. Watson). The latter tales were included in Queen s Quorum._,