Hothouse
Brian W. Aldiss
Hothouse (1)
Greybeard
Man in His Time
The Dark Light Years
Barefoot in the Head
The Butterfly Kid
Chester Anderson
Greenwich Village (1)
After Doomsday
Poul Anderson
The Corridors of Time
Chthon
Piers Anthony
Aton/Piers Anthony's Worlds of Chthon (1)
Prostho Plus
Dr. Dillingham (1)