• Everybody Always Tells: A Bobby Owen Mystery
• The Attending Truth: A Bobby Owen Mystery
• Dark is the Clue: A Bobby Owen Mystery
• Night's Cloak
• Strange Ending: A Bobby Owen Mystery
• Diabolic Candelabra
• Six Were Present: A Bobby Owen Mystery
• The Golden Dagger: A Bobby Owen Mystery
• The Secret Search: A Bobby Owen Mystery
• Four Strange Women
• Murder Abroad
• Brought to Light: A Bobby Owen Mystery
• Triple Quest: A Bobby Owen Mystery
• The Bath Mysteries
• It Might Lead Anywhere
• Death Among the Sunbathers
• Crossword Mystery
• Mystery of Mr. Jessop
• Comes a Stranger
• Helen Passes By: A Bobby Owen Mystery
• The Dusky Hour
• Secrets Can't be Kept: A Bobby Owen Mystery
• Dictator's Way
• The Conqueror Inn: A Bobby Owen Mystery
• Death Comes to Cambers
• The House of Godwinsson: A Bobby Owen Mystery
• Music Tells All: A Bobby Owen Mystery
• The Dark Garden: A Bobby Owen Mystery
• Suspects—Nine
• Death of a Beauty Queen
• Diabolic Candelabra: A Bobby Owen Mystery
• There's a Reason for Everything: A Bobby Owen Mystery
• Information Received
• Night's Cloak: A Bobby Owen Mystery
• Ten Star Clues
• It Might Lead Anywhere: A Bobby Owen Mystery