Where in the galaxy are stars born? How many moons does Saturn have? Why does a comet have a tail? The answers to these questions and many more are packed within the pages of Pockets: Space Facts. Dorling Kindersley Pockets are a major new series of reference guides small enough to fit in a pocket but comprehensive enough to provide an in-depth look at each subject. Pockets may be compact but they are bursting with text and pictures. Within the covers the enthusiast will find essential facts on the subject. Every page is packed with charts maps explanatory diagrams and lists of data. These highly collectable guides are fascinating and easy-to-use mini-information books that collect everything you need to know about a subject - and put it in your pocket!