Preface; 1. Machiavellian Intelligence Richard W. Byrne and Andrew Whiten; 2. Friendships, alliances, reciprocity and repair Marina Cords; 3. Why Machiavellian Intelligence may not be Machiavellian Shirley C. Strum, Deborah Forster and Edwin Hutchins; 4. Social intelligence and success: don't be too clever in order to be smart Alain Schmitt and Karl Grammer; 5. Minding the behaviour of deception Marc Hauser; 6. The Machiavellian mindreader Andrew Whiten; 7. Exploiting the expertise of others Anne Russon; 8. Primates' knowledge of their natural habitat: as indicated in foraging Charles R. Menzel; 9. Evolution of the social brain Robert A. Barton and Robin Dunbar; 10. The modularity of social intelligence Gerd Gigerenzer; 11. The technical intelligence hypothesis: an additional evolutionary stimulus to intelligence Richard W. Byrne; 12. Protean primates: the evolution of adaptive unpredictability in competition and courtship Geoffrey Miller; 13. Egalitarian behaviour and the evolution of political intelligence Christopher Boehm; 14. Social intelligence and language: another Rubicon Esther Goody; Index.