The Adventures of Inspector Lestrade (1985)
APA: The Supreme Adventure of Inspector Lestrade (1985)

Brigade: The Further Adventures of Lestrade (1986)

Lestrade and the Hallowed House (1987)

Lestrade and the Leviathan (1987)

Lestrade and the Brother of Death (1988)

Lestrade and the Ripper (1988)

Lestrade and the Guardian Angel (1990)
Finalist 1990 Last Laugh Dagger Award

Lestrade and the Deadly Game (1990)

Lestrade and the Gift of the Prince (1991)

Lestrade and the Magpie (1991)

Lestrade and the Dead Man’s Hand (1992)

Lestrade and the Sign of Nine (1992)

Lestrade and the Sawdust Ring (1993)

Lestrade and the Mirror of Murder (1993)

Lestrade and the Kiss of Horus (1995)

Lestrade and the Devil’s Own (1996)

Maxwell’s House (1994)

Maxwell’s Flame (1995)
Finalist 1995 Last Laugh Dagger Award

Maxwell’s Movie (1998)

Maxwell’s War (1999)

Maxwell’s Ride (2000)

Maxwell’s Curse (2000)

Maxwell’s Reunion (2001)

Maxwell’s Match (2002)

Maxwell’s Inspection (2003)

Maxwell’s Grave (2004)

Maxwell’s Mask (2005)

Maxwell’s Point (2007)

Maxwell’s Chain (2008)

Maxwell’s Revenge (2009)

Maxwell’s Retirement (2010)

Maxwell’s Island (2011)

Dark Entry (2011)

Let Him Have It, Chris (1990)

The Wigwam Murder (1994)

The Many Faces of Jack the Ripper (1997)

Hess: The British Conspiracy (1999)
[written with John Harris]

Who Killed Kit Marlowe?: A Contract to Murder in Elizabethan England (2001)

Vlad the Impaler: In Search of the Real Dracula (2003)

War Crimes: Underworld Britain in the Second World War (2008)

Foul Deeds and Suspicious Deaths in the Isle of Wight (2009)

Jack the Ripper: Quest for a Killer (2009)

Enemies of the State: The Cato Street Conspiracy (2010)

The Thames Torso Murders (2011)