The Chronicles of Pern - First Fall
Anne McCaffrey
Pern (Chronological Order) (2)
Mayhem & Mistletoe
Amanda M. Lee
Avery Shaw (17)
Ape and Essence
Aldous Huxley
Elder Race
Adrian Tchaikovsky
Elder Race (1)
Collapse: How Societies Choose to Fail or Succeed
Jared Diamond
Civilizations Rise and Fall (2)