1. Play in great apes and humans / Anthony D. Pellegrini and Peter K. Smith
2. role of play in the evolution of great apes and humans / Patrick Bateson
3. Social play in the great apes / Kerrie P. Lewis
4. Rough-and-tumble social play in humans / Douglas P. Fry
5. Object play in great apes : studies in nature and captivity / Jacklyn K. Ramsey and William C. McGrew
6. Boys' and girls' uses of objects for exploration, play, and tools in early childhood / Anthony D. Pellegrini and Kathy Gustafson
7. Fantasy play in apes / Juan-Carlos Gomez and Beatriz Martin-Andrade
8. Social and pretend play in children / Peter K. Smith
9. Play in hunter-gatherer society / Yumi Gosso, Emma Otta, Maria de Lima Salum e Morais, Fernando Jose Leite Ribeiro and Vera Silvia Raad Bussab
10. Farming, foraging, and children's play in the Okavango Delta, Botswana / John Bock
11. Play in great apes and humans : reflections on continuities and discontinuities / Peter K. Smith and Anthony D. Pellegrini.
