Life Line
Robert A. Heinlein
Future History or "Heinlein Timeline" (1)
The Lost Artifact
Vaughn Heppner
Lost Starship (8)
The Mysterious Study of Doctor Sex
Tamsyn Muir
The Locked Tomb (0.50)
Cytonic
Brandon Sanderson
Skyward (3)
The Eighth Realm: A LitRPG Fantasy series
Michael Chatfield
Ten Realms (10)
The Two Week Curse
Ten Realms (1)