• Puzzle of the Silver Persian
• Puzzle of the Pepper Tree
• Puzzle of the Blue Banderilla
• Green Ace
• Cold Poison
• Murder on the Blackboard
• Murder on Wheels
• Miss Withers Regrets
• Puzzle of the Red Stallion
• Puzzle of the Happy Hooligan
• Nipped in the Bud
• Unhappy Hooligan
• Hildegarde Withers Makes the Scene