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From the moment Rip boards the space ship Scorpius there is a thrill a minute. He and his nine daring Planeteers must cope with the merciless hazing of the spacemen commanding the ship, and they must outwit the desperate Connies, who threaten to plunge all of space into war. There are a thousand dangers to be faced in high vacuum -- and all of this while carrying out an assignment that will take every reader's breath away.
132 pages, Hardcover
First published January 1, 1952