Andrew Tillet, Sara Wiggins & Inspector Wyatt (1980–1987)
- The Case of the Vanishing Corpse (1980)
- The Case of the Somerville Secret (1981)
- The Case of the Murdered Players (1985)
- The Case of the Indian Curse (1986)
- The Case of the Threatened King (1986)
- The Case of the Watching Boy (1987)