The Grassy Knoll (1993)

The Helter Skelter Murders (1994)

The Hoffa Connection (1995)

The Game Show Killer (1996)

The Glitter Murder (1997)

The Hoover Files (1998)

Past Imperfect (2001)
[with Hilary Grenville]

Murder at the President’s Door¹ (2001)

Which the Justice, Which the Thief (1963)

The Power (1964)
APA: The Gospel of Death (1966)

Yoshar the Soldier (1966)
APA: One Over One (1970)

The Search for Elisabeth Brandt (1968)

Trial (1970)

The Jupiter Crisis (1971)

Mister Target (1973)

Scorpio 5 (1975)

Partners (1980)

The English Lady (1982)

Skin Deep (1983)

The Cromwell File (1986)

Oberst (1987)

For the Defense (1988)

Virus (1990)

Endgame in Berlin (1991)

Town on Trial (1994)