• The Ha-Ha Case
• The Twenty-One Clues
• Murder Will Speak
• Murder in the Maze (A Clinton Driffield Mystery)
• Mystery at Lynden Sands (A Clinton Driffield Mystery)
• The Castleford Conundrum
• Death at Swaythling Court
• The Boathouse Riddle
• Nemesis at Raynham Parva (A Clinton Driffield Mystery)
• The Case With Nine Solutions (A Clinton Driffield Mystery)
• Tragedy at Ravensthorpe (A Clinton Driffield Mystery)
• The Counsellor
• Nordenholt's Million