From the earliest civilisations to the present day this fascinating guide gives the key periods and dates in world history. Illustrated time charts provide an overview of contemporary events around the globe and detailed tables list the most important rulers and leaders across the centuries. 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!