Crystal singer
Anne McCaffrey
Crystal Singer (1)
The Mote in God's Eye (Moties Series 1)
Larry Niven & Jerry Pournelle
Motes Series (1)
The Daylight War
Peter V. Brett
Demon Cycle (3)
Third girl
Agatha Christie
Hercule Poirot Mystery (35)
Sir Gawain and the Green Knight, Pearl, and Sir Orfeo
J. R. R. Tolkien