Gladiators of Hapanu
Jeffrey Lord
Richard Blade (31)
Veleno d'inchiostro
Cornelia Funke
La Memoria Dello Spazio
Colin Kapp
Cosmo (29)
Revolt of the Galaxy
E. E. "Doc" Smith
Family D"Alembert (10)
Demon
John Varley
Gaea Trilogy (3)
Wizard
Gaea Trilogy (2)
Titan
Gaea Trilogy (1)