a warning. Tai often goes against her father's will and warns Alvin about the danger that's coming, causing her father to question her loyalty in The Mystery of the Man Who Had to Die. She was killed by a French criminal in The Mystery of the Gangster's Gun. Cordelia Chew: Mars' friend. She tries to get Alvin to be her boyfriend in The Mystery of the Terrified Teacher. Both Alvin and Tony are infatuated by her. Alan Soh: Alvin's father and an amateur detective who was killed by the Snake. Books The latest book in the Mr. Mystery series is Mr. Mystery #30, The Mystery Of The Missing Motive. External links Mr Mystery on the Flame Of The Forest website Series of books Mystery fiction