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