• DeKok and the Dead Lovers (Inspector DeKok Investigates)
• DeKok and the Death of a Clown
• DeKok and the Somber Nude
• DeKok and the Geese of Death
• DeKok and Variations on Murder
• Dekok and the Dead Harlequin
• DeKok and Murder on Blood Mountain
• DeKok and the Dead Lovers
• DeKok and Murder by Melody
• DeKok and Murder by Installment