Lester del Rey · 1960 · Novel
Science fiction time travel tale for young adults. A survival story that showcases the palaeological theories of the 1960s. Two teenagers, Bob and Pete, go back through time to the Ice age to rescue Pete's father, who has not returned from a trip in Bob's father's defective time machine.
Source: OpenLibrary
Tags: Science fictionJuvenile fictionTime travelneeds-review
isfdb_id: 839029
openlibrary_id: OL6552308W
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