Allies of Antares
Alan Burt Akers
Dray Prescot (26)
Outlaw of Gor
John Norman
Gor (2)
I robot e l'Impero
Asimov Isaac
Urania (1059)
Lord of the Silent
Elizabeth Peters
Amelia Peabody (15)
Life Probe
Michael McCollum
Makers (1)
Procyon's Promise
Makers (2)