The countdown begins... You are an explorer. You journey to places no one has ever been and face dangers no one has ever known. Explore the moons of Jupiter. Your robot co-pilot has just fallen into the rocket exhaust and is shot headlong into space. He's saved your life more than once, but if you stop right now, you may never make it back to earth Do you risk your life to rescue him SETH MCEVOY has written seven Interplanetary Spy, six Not Quite Human, two Robo Force, and four Arcade Explorer books, the last with Laure Smith. In addition he has written three books about computers and a biography of science fiction author Samuel Delany. McEvoy is the author of Explorer 2, Destination Brain. WALTER P. MARTISHIUS is a book illustrator and theatrical set designer, and a production designer and art director for films. He is the illustrator of Time Machine 10, American Revolutionary, and of the Explorer series.