Jim Marlowe and his strange-looking Martian friend Willis are just permitted to travel up to now. But 1 day Willis unwittingly music into a treacherous story that threatens all the colonists on Mars, and it units Jim off on a terrifying adventure that could save-or destroy-them all.

“A fascinating tale of Earth-humans on Mars…The most thrilling and tingling kind of science fiction story by a skilled hand.”-Kirkus Evaluations (starred review)