An introduction to play -- A brief history of the study of play, and of play theories -- Animal play : definitions and descriptions -- Animal play : theoretical perspectives on function -- Play in different cultures / Yumi Gosso -- Physical activity play : exercise play and rough-and-tumble -- Object play -- Pretend play : description -- Pretend play : theories and functions -- Some practical issues concerning play -- Play and the middle way / Concluding comments.

This text provides an expansive definition of the term 'play', taking a look at its impact on children, as well as its adaptive value for birds and animals. It uses both contemporary and classic research to examine how different age groups and sexes participate in a wide variety of play.