Cosmic engineers
Clifford D Simak
Zero Option
P. T. Deutermann
Serpent's Tooth
Faye Kellerman
Peter Decker and Rina Lazarus (10)
Power lines
Anne McCaffrey & Elizabeth Ann Scarborough
Dreamtime 1 - The Covenant Rising
Stan Nicholls
Dreamtime (1)
Dreamtime 3 - The Diamond Isle
Dreamtime (3)
Dreamtime 2 - The Righteous Blade
Dreamtime (2)