Boy's Life
Robert McCammon
The Eighth Realm: A LitRPG Fantasy series
Michael Chatfield
Ten Realms (10)
Spin
Robert Charles Wilson
Spin (1)
The Last Orphans
N.W. Harris
The Last Orphans (1)
The Long Walk
Richard Bachman
Beyond This Horizon
Robert A. Heinlein
Assignment in Eternity
The Man who Sold the Moon
Future History or "Heinlein Timeline" (5)