All You Zombies
Robert A. Heinlein
The Civilisation Game 04 Masquerade
Clifford D Simak
The Civilisation Game (4)
Krondor: The Betrayal
Raymond E. Feist
The Riftwar Legacy (1)
Transit by Cooper, Edmund (z-lib.org)
Unknown
Tanar of Pellucidar
Edgar Rice Burroughs & Paul Cook
Savage Pellucidar
Edgar Rice Burroughs & Harry Turtledove & James Allen St. John