The final exam for Dr. Matson's Advanced Survival class was meant to be just that: only a test. But something has gone terribly wrong...and now Rod Walker and his fellow students are stranded somewhere unknown in the universe, beyond contact with Earth, at the other end of a tunnel in the sky. Stripped of all comforts, hoping for a passage home that may never appear, the castaways must band together or perish. For Rod and his fellow survivors, this is one test where failure is not an option.
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Paperback, good condition. Slight wear to cover. Foxing to page edges.
Published by Pan Books, 1968 (first published 1965).
ISBN: 0330020293