ALL ABOUT SATELLITES AND SPACE SHIPS

Another All About book, this careful text, clearly illustrated by George Wilde, does, in fact, what its title suggests. The evolution of the satellite from its origin as a firecracker through its various stages as a rocket, the theoretical concepts which underlie space travel, the mechanical devices employed, the prospects for future space travel, the problems involved, all are clearly and emphatically stated. David Dietz, in his investigation of this particularly timely and alluring area of physics should appeal to even the most sluggish enthusiast of high school science.