Darkover

1 Darkover Landfall (1972)
2 Stormqueen! (1978) (with Paul Edwin Zimmer)
3 The Fall of Neskaya (2001) (with Deborah J Ross)
4 Zandru's Forge (2003) (with Deborah J Ross)
5 A Flame in Hali (2004) (with Deborah J Ross)
6 Hawkmistress! (1982)
7 Two to Conquer (1980)
8 The Heirs of Hammerfell (1989)
9 The Spell Sword (1974)
10 The Shattered Chain (1976)
11 Rediscovery (1993) (with Mercedes Lackey)
12 The Forbidden Tower (1977)
13 Thendara House (1983)
14 City of Sorcery (1984)
15 Star of Danger (1965)
16 Winds of Darkover (1970)
17 Thunderlord (2016) (with Deborah J Ross)
18 The Heritage of Hastur (1975)
19 The Planet Savers (1958)
20 The Sword of Aldones (1962)
The Bloody Sun (1964)
21 Sharra's Exile (1981)
22 The World Wreckers (1971)
23 Hastur Lord (2010) (with Deborah J Ross)
24 Exile's Song (1996) (with Adrienne Martine-Barnes)
25 The Shadow Matrix (1997) (with Adrienne Martine-Barnes)
26 Traitor's Sun (1999) (with Adrienne Martine-Barnes)
27 The Alton Gift (2007) (with Deborah J Ross)
28 The Children of Kings (2013) (with Deborah J Ross)
The Laran Gambit (2022) (with Deborah J Ross)
Arilinn (2024) (with Deborah J Ross)

Children of Hastur (1982)
The Darkover Saga (1982)
Oath of the Renunciates (1983)
Winds of Darkover / Planet Savers (1995)
Heritage and Exile (2002)
The Ages of Chaos (2002)
The Saga of the Renunciates (2002)
The Forbidden Circle (2002)
A World Divided (2003)
First Contact (2004)
To Save a World (2004)