Gideon
1. Gideon's Day (1955)
     aka Gideon of Scotland Yard
2. Gideon's Week (1956)
     aka Gideon's Fear
3. Gideon's Night (1957)
4. Gideon's Month (1958)
5. Gideon's Staff (1959)
6. Gideon's Risk (1960)
7. Gideon's Fire (1961)
8. Gideon's March (1962)
9. Gideon's Ride (1963)
10. Gideon's Vote (1964)
11. Gideon's Lot (1965)
12. Gideon's Badge (1966)
13. Gideon's Wrath (1967)
14. Gideon's River (1968)
15. Gideon's Power (1969)
16. Gideon's Sport (1970)
17. Gideon's Art (1971)
18. Gideon's Men (1972)
19. Gideon's Press (1973)
20. Gideon's Fog (1974)
21. Gideon's Drive (1976)
22. Gideon's Force (1978)

Case of the Fenced-In Woman / First Mrs Winston / Gideon's Men (1974) (with Rae Foley, Erle Stanley Gardner)