Maelstrom
Anne McCaffrey & Elizabeth Ann Scarborough
Twins of Petaybee (2)
New Threat: The Survivors Book Two
Nathan Hystad
Methuselah's Children
Robert A. Heinlein
Future History or "Heinlein Timeline" (22)
Extinction Shadow
Nicholas Sansbury Smith & Anthony J. Melchiorri
Extinction Cycle: Dark Age (1)
Rogue
Michael Z. Williamson
Freehold (6)
King of the Mole People
Paul Gilligan
King of the Mole People (1)
Steel and Hardness
Abby Wood
Alpha Agents (3)