Pliocene Exiles 
 
 1. The Many-Coloured Land (1981) 
 2. The Golden Torc (1981) 
 3. The Nonborn King (1983) 
 4. The Adversary (1984) 
 
 
 
 Intervention 
 
 1. The Surveillance (1988) 
 2. Metaconcert (1988) 
 3. Intervention (1987) 
 
  
 Galactic Milieu 
 
 1. Jack the Bodiless (1992) 
 2. Diamond Mask (1994) 
 3. Magnificat (1996) 
 
  
 Rampart World 
 
 1. Perseus Spur (1998) 
 2. Orion Arm (1999) 
 3. Sagittarius Whorl (2001) 
 
  
 Boreal Moon 
 
 1. Conqueror's Moon (2003) 
 2. Ironcrown Moon (2004) 
 3. Sorcerer's Moon (2005)