Mission of Gravity
Hal Clement
Mesklin (1)
Destroyer
C. J. Cherryh
Foreigner (7)
Il ragazzo leopardo
Daniel Picouly
Cetaganda
Lois McMaster Bujold
Cosmo oro (158)
Return to Eden
Harry Harrison
Eden (3)
Winter in Eden
Eden (2)
Helliconia Summer
Brian W. Aldiss
Helliconia (2)
Arthur C. Clarke's Venus Prime 6
Paul Preuss
Venus Prime (6)
Arthur C. Clarke's Venus Prime 2
Venus Prime (2)