The Prime of Life
Isaac Asimov
Profession
The Proper Study
The Psychohistorians
Foundation (1)
Puzzles of the Black Widowers
Black Widowers (5)
Quicker Than the Eye
Black Widowers (1)
The Quiet Place
Rain, Rain, Go Away
SS (1)
Reason
Mike Donovan (Robot) (1)
The Rebellious Stars
Trantorian Empire (2)
The Recipe
The Red Queen's Race
The Redhead
No Refuge Could Save
The Union Club Mysteries (5)
Rejection Slips
The Rest of the Robots
The Positronic Robot Stories (1)
The Return of the Black Widowers
Black Widowers (6)