Reserved for the Cat (Elemental Masters, Book 5)
Mercedes Lackey
Elemental Masters (6)
Alien Research
Gini Koch
Alien Novels (8)
The Byworlder
Poul Anderson
Shades of Darkness
A. R. Kahler
The science of Discworld
Terry Pratchett & Ian Stewart & Jack Sidney Cohen
Discworld (0.0)