The Saliva Tree
Brian W. Aldiss
Savage Pellucidar
Edgar Rice Burroughs
Pellucidar (7)
Dark Benediction
Walter M. Miller, Jr.
The Saliva Tree and Other Strange Growths
The Wall of Serpents
L. Sprague de Camp & Fletcher Pratt
Incomplete Enchanter (4)
The Man Who Sold the Moon
Robert A. Heinlein
Future History (1)
Deadly Litter
James White
Silver Bullet
Stephen King
Nightflyers
George R. R. Martin
Polyphemus
Michael Shea
The Plague of Masters
Poul Anderson
Dominic Flandry (1)
Equator
The Year Before Yesterday (1)
Silkies in Space
A. E. Van Vogt
The Silkie (1)
Humans, Go Home!
Earth's Last Fortress