List of contributors; Part I. Cognition of Tool Use: 1. Three ingredients for becoming a creative tool-user J. Call; 2. Ecology and cognition of tool use in chimpanzees C. Boesch; 3. Chimpanzees plan their tool use R. W. Byrne, C. M. Sanz and D. B. Morgan; Part II. Comparative Cognition: 4. Insight, imagination and invention: tool understanding in a non-tool-using corvid N. Emery; 5. Why is tool use rare in animals? G. Hunt, R. Gray and A. Taylor; 6. Understanding differences in the way human and non-human primates represent tools: the role of teleological-intentional information A. M. Ruiz and L. R. Santos; 7. Why do woodpecker finches use tools? S. Tebbich and I. Teschke; Part III. Ecology and Culture: 8. The social context of chimpanzee tool use C. M. Sanz and D. B. Morgan; 9. Orangutan tool use and the evolution of technology E. J. M. Meulman and C. P. van Schaik; 10. The EthoCebus project: stone tool use by wild capuchin monkeys E. Visalberghi and D. Fragaszy; Part IV. Archaeological Perspectives: 11. From pounding to knapping: how chimpanzees can help us model hominin lithics S. Carvalho, T. Matsuzawa and W. C. McGrew; 12. Early hominin social learning strategies underlying the use and production of bone and stone tools M. Caruana, F. d'Errico and L. Backwell; 13. Perspectives on stone tools and cognition in the early paleolithic record S. P. McPherron; Index.