The Mystery of 31 New Inn, a classic mystery novel by R. Austin Freeman, relates a puzzling tale from an earlier century. In the grand tradition of the great sleuths brought to life by Sir Arthur Conan Doyle comes John Thorndyke, cerebral, meticulous, British . . . and underestimated. A contested will and an unusual sickness have no apparent connection until John Thorndyke and Dr. Jervis collaborate on a labyrinth of clues, including broken glass,...