Voyage
Stephen Baxter
NASA Trilogy (1)
The Star Beast
Robert A. Heinlein
Penric and the Shaman
Lois McMaster Bujold
World of the Five Gods (Publication) (3.20)
The Worldship Humility
R.R. Haywood
The Code Trilogy (1)
The Kobold Guide to Worldbuilding
Janna Silverstein