. . "Juvenile works" . "Reader discover the secrets of the night sky with this easy-to-read, easy-to-understand resource on the last frontier. Focused titles cover the various bodies spinning through space as well as puzzling mysteries and space travel. Large diagrams, sky maps, and charts--with figures provided in both standard and metric measure--simplify the complexities of the universe." . . . . . . . . . "Space travel" . . . . . . . "Outer space" . . . .