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Jim Marlow and his strange-looking Martian friend Willis were allowed to travel only so far. But one day Willis unwittingly tuned into a treacherous plot that threatened all the colonists on Mars, and it set Jim off on a terrfying adventure that could save--or destroy--them all
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1 released bookHeinlein's Juveniles is a 15-book series first released in 1948 with contributions by Robert A. Heinlein, Giancarlo Cella, and 7 others.
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