To Live Again and The Second Trip
Robert Silverberg
Golden Scorpio
Alan Burt Akers
Dray Prescot (18)
The Goliath Stone
Larry Niven & Matthew Joseph Harrington
The Bulletin Board
Robert A. Heinlein
The Dire Earth: A Novella (The Dire Earth Cycle)
Jason M. Hough
Dire Earth Cycle 0.5 (1)