Ch. 1. Two case studies in creativityCh. 2. The study of creativityCh. 3. The cognitive perspective on creativity, part I : ordinary thinking, creative thinking, and problem solvingCh. 4. The cognitive perspective on creativity, part II : knowledge and expertise in problem solvingCh. 5. Case studies of creativity : ordinary thinking in the arts, science, and inventionCh. 6. The question of insight in problem solvingCh. 7. Out of one's mind, part I : muses, primary process, and madnessCh. 8. Out of one's mind, part II : unconscious processing, incubation, and illuminationCh. 9. The psychometric perspective, part I : measuring the capacity of think creativelyCh. 10. The psychometric perspective, part II : the search for the creative personalityCh. 11. Confluence models of creativityCh. 12. Understanding creativity : where are we? where are we going?