H. G. Wells
The Time Machine
Ayn Rand
Anthem
Mark Twain
A Connecticut Yankee in King Arthur's Court
H. Beam Piper
Flight from Tomorrow
Philip K. Dick
The Skull
The Variable Man
Fritz Leiber
The Big Time
Andre Norton
Key Out of Time
The Time Traders
The Defiant Agents
Lester Del Rey
Pursuit
...And It Comes Out Here
August Derleth
A Traveler in Time
Frederik Pohl
The Tunnel Under the World
The Day of the Boomer Dukes
