Tom Swift appeared to be calm, although in reality he was about as excited over his latest invention as he ever had been about anything in his life. "I'm sure it's going to work, Ned " he said eagerly to his chum as they neared Tom's private laboratory. "With my new device I hope to learn more about the planets. I want to start soon-" "Listen here " broke in Ned Newton. "If you're thinking of going to Mars or the moon, just count me out I've gone...