Senza protezione
Robert Crais
Valediction
Robert B. Parker
Spenser (11)
Il Pianeta Berserker
Fred Saberhagen
Urania (1256)
On the Way Home
Laura Ingalls Wilder
Little House (10)
I, Robot
Isaac Asimov
Robot, chronological order (0.10)
The Rest of the Robots
Robot, chronological order (0.20)