Nero Wolfe
1. Fer-De-Lance (1934)
     aka Meet Nero Wolfe
2. The League of Frightened Men (1935)
3. The Rubber Band (1936)
     aka To Kill Again
4. The Red Box (1937)
     aka Case of the Red Box
5. Too Many Cooks (1938)
6. Some Buried Caesar (1939)
     aka The Red Bull
7. Over My Dead Body (1939)
8. Where There's a Will (1940)
9. Black Orchids (1942)
10. Not Quite Dead Enough (1944)
11. The Silent Speaker (1946)
12. Too Many Women (1947)
13. And Be a Villain (1948)
     aka More Deaths Than One
14. Trouble in Triplicate (1949)
15. The Second Confession (1949)
16. Even in the Best Families (1950)
     aka In the Best Families
17. Three Doors to Death (1950)
     aka Door to Death
18. Curtains for Three (1950)
19. Murder By the Book (1951)
20. Prisoner's Base (1952)
     aka Out She Goes
21. Triple Jeopardy (1952)
22. The Golden Spiders (1953)
23. The Black Mountain (1954)
24. Three Men Out (1954)
25. Before Midnight (1955)
26. Might As Well Be Dead (1956)
27. Three Witnesses (1956)
28. If Death Ever Slept (1957)
29. Three for the Chair (1957)
30. And Four to Go (1958)
     aka Crime And Again
31. Champagne for One (1958)
32. Plot It Yourself (1959)
     aka Murder in Style
34. Too Many Clients (1960)
35. The Final Deduction (1961)
36. Homicide Trinity (1962)
37. Gambit (1962)
38. The Mother Hunt (1963)
39. Trio for Blunt Instruments (1964)
40. A Right to Die (1964)
41. The Doorbell Rang (1965)
42. Death of a Doxy (1966)
43. The Father Hunt (1968)
44. Death of a Dude (1969)
45. Please Pass the Guilt (1973)
46. A Family Affair (1975)
47. Death Times Three (1985)
Some Buried Caesar / The Golden Spiders (omnibus) (2008)

Theodolinda Dol Bonner
The Hand in the Glove (1937)
     aka Crime On Her Hands

Tecumseh Fox
1. Double for Death (1939)
2. Bad for Business (1940)
3. The Broken Vase (1941)

Alphabet Hicks
Alphabet Hicks (1941)
     aka The Sound of Murder

Her Forbidden Knight (1913)
Under the Andes (1914)
A Prize for Princes (1914)
The Great Legend (1916)
How Like a God (1929)
Seed On the Wind (1930)
Golden Remedy (1931)
Forest Fire (1933)
The President Vanishes (1934)
O Careless Love! (1935)
Mr. Cinderella (1938)
The Mountain Cat (1939)
     aka The Mountain Cat Murders
Red Threads (1939)
Eeny Meeny Murder Mo (1999)