Packed with charts tables and diagrams Pockets: Science Facts is designed to make science accessible to readers of all ages. Annotated photographs clearly illustrate key experiments and processes while quick-reference boxes explain scientific laws and principles in a concise and simple way. Dorling Kindersley Pockets is a major new series of reference guides that provide an in-depth look at a wide range of subjects. Easy to use and highly collectable these fact-packed mini-guides gather everything you need to know about a subject-and put it in your pocket!