Penny Spring and Sir Toby Glendower (1988–2007)
- Exit Actors, Dying (1988)
- Lament for a Lady Laird (1990)
- The Menehune Murders (1991)
- Toby's Folly (1992)
- The Catacomb Conspiracy (1993)
- Dirge for a Dorset Druid (1995)
- The Midas Murders (1997)
- The Cape Cod Caper (2006)
- The Cape Cod Conundrum (2007)