Motive (1947) * Run Away to Murder (1947) First a Murder (1947) Close the Door on Murder (1948) Let's Kill Uncle Lionel (1948) The Gallows are Waiting (1948) * The Fane Brothers series Written under the pseudonym "Michael Halliday" for UK publication (1952–1955), but published under the pseudonym "Jeremy York" in the US (all in 1972). Take a Body (1952) Murder in the Stars (1953) Man on the Run (1953) Lame Dog Murder (1955) The Doctor Cellini series Written under the pseudonym "Michael Halliday" for UK publication (1965–1975), but published under the pseudonym "Kyle Hunt" for US. Cunning as a Fox (1965) Wicked as the Devil (1966) Sly as a Serpent (1967) Cruel as a Cat (1968) Too Good to Be True (1969) A Period of Evil (1970 in UK, 1971 in US) As Lonely as the Damned (1971 in UK, 1972 in US) As Empty as Hate (1972) As Merry as Hell (1972 in UK, 1973 in US) This Man Did I Kill? (1974) The Man Who Was Not Himself (1975) Standalone novels (as "Jeremy York," 1941–1960) By Persons Unknown (1941) Murder Unseen (1943) No Alibi (1944) Yesterday's Murder (1945) Wilful Murder (1946) Death to My Killer (1950) Sentence of Death (1950) Voyage of Death (1952)a.p.a. Voyage with Murder Safari with Murder (1953)a.p.a. Safari with Fear So Soon to Die (1955) Seeds of Murder (1956) Sight of Death (1956) My Brother's Killer (1958) Hide and Kill (1959) To Kill or to Die (1960)a.p.a. To Kill or Die Standalone novels (written under the pseudonym "Peter Manton," 1937–1954) The Greyvale School Mystery (1937) Murder Manor (1937) Stand By for Danger (1937) Circle of Justice (1938) Three Days' Terror (1938) The Crime Syndicate (1939) Death Looks On (1039) Murder in the Highlands (1939) The Midget Marvel (1940) Policeman's Triumph (1948) Thief in the Night (1950) No Escape from Murder (1953) The Charity Killers (1954) The Crooked Killer (1954) The Patrick Dawlish Series (written under the pseudonym "Gordon Ashe," 1939–1975) The Speaker (1939) Death on Demand (1939) Terror by Day (1940) Secret Murder (1940) 'Ware Danger (1941) Murder Most Foul (1941) There Goes Death (1942) Death in High Places (1942) Death in Flames (1943) Two Men Missing (1943) Rogues Rampant (1944) Death on the Move (1945) Invitation to Adventure (1946) Here is Danger (1946) Give Me Murder (1947) Murder Too Late (1947) Engagement with Death (1948) Dark Mystery (1948) A Puzzle in Pearls