Unholy Writ (1976)

Treasure by Degrees (1977)

Treasure Up in Smoke (1978)

Murder for Treasure (1980)

Copper Gold and Treasure (1982)

Treasure Preserved (1983)

Advertise for Treasure (1984)

Wedding Treasure (1985)

Murder in Advent (1985)

Treasure In Roubles (1987)

Divided Treasure (1987)

Treasure in Oxford (1988)

Holy Treasure! (1989)

Prescription for Murder (1990)

Treasure by Post (1991)

Planning on Murder (1992)

Banking on Murder (1993)

Last Seen Breathing (1994)

Death of a Prodigal (1995)

Dead in the Market (1996)

A Terminal Case (1997)

Suicide Intended (1998)

Practice to Deceive (2003)

Criminal Intentions (2001) [SS]