First printing. This book has some cover wear, including rubbed edges and a few short creases. A small store price sticker is affixed to the inside of the front cover. The pages are clean and unmarked. An alien probe found wrecked on one of Jupiter's moons and containing insane intelligence is stole from a laboratory before its secret of stardrive is obtained. Cover illustration by Alex Machin. 186 pp.

Children's Adventure Tom Swift Science Fiction Jupiter Victor Appleton Collectible 0-671-42578-1