Tunnel Through Time
Has the experimetn failed? What has gone wrong? Is it too late too save Pete's father? There is only one way to find out. Pete and Bob must go through the time tunnel.
More by Lester del Rey
The Runaway Robot
Police Your Planet
Best of Lester del Rey
The Mysterious Planet
Once Upon a Time: A Treasury of Modern Fairy Tales
Outpost of Jupiter
Rocket Jockey
Moon of Mutiny
The Sky Is Falling by Lester Del Rey, Science Fiction, Fantasy, Adventure
The Early del Rey
Nerves (Ballantine SF, U2344)
Best Science Fiction Stories of the Year 1972