All These Worlds (Bobiverse Book 3)
Dennis E. Taylor
Bobiverse (3)
Lucky Starr The And The Moons of Jupiter (ls-5)
Isaac Asimov
The Time Machine and the Invisible Man
H. G. Wells
The Forever War
Joe Haldeman
The Forever War (1)
Paladin of Souls
Lois Mcmaster Bujold