Tunnel Through Time

Go backward through space-time into prehistory? It seemed fantastic, but the machine-invented by Bob's father in connection with his research on the interrelation of time and gravity-actually exists.


Bob and his friend Pete are anxious to be the first to visit the era of the dinosaurs. Overruled, they watch Pete's father, a famous paleontologist, step into the shimmering ring-and disappear into the past. But when he does not return on schedule because the machine jams, they decide to follow him on a rescue mission...


A thrilling time-travel adventure!

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