Retief

Retief of the Red-Tape Mountain (1962)
1 Envoy to New Worlds (1963)
2 Galactic Diplomat (1965)
3 Retief's War (1965)
The Frozen Planet (1966)
4 Retief and the Warlords (1968)
5 Retief: Ambassador to Space (1969)
6 Retief of the CDT (1971)
7 Retief and the Pangalactic Pageant of Pulchritude (1971)
     aka Retief's Ransom
8 Retief: Emissary to the Stars (1975)
9 Retief at Large (1978)
10 Retief Unbound (1979)
11 Diplomat at Arms (1982)
12 Retief to the Rescue (1983)
13 The Return of Retief (1984)
14 Retief in the Ruins (1986)
15 Reward for Retief (1989)
Retief and the Rascals (1993)
Gambler's World (2009)
The Yillian Way (2009)
The Governor of Glave (2020)
Aide Memoire (2020)
Saline Solution (2020)

Retief! (2001)