01 - The Affair of the Ivory Boxes

02 - The Identity of the Final Victim

03 - The Riddle of the Circular Counters

04 - The Strange Case of Michael Hall

05 - The Evidence of the Cigarette-end

06 - The Mystery of "Old Mrs. Jardine"

07 - The Death-trap in the Tudor Room

08 - The Mystery of Cross Roads Farm

09 - The Conundrum of the Golf Links

10 - The Diamond Necklace Scandal

11 - The Disappearance of Dr. Smith

12 - The Affair of the Stolen Gold

13 - The Will of the Eccentric Mr. Frisby

14 - The Case of the Murdered Financier

15 - The Strange Affair of the Florentine Chest

16 - The Search for the Missing Fortune