James R. Flynn is Professor Emeritus at the University of Otago, New Zealand, and a recipient of the University's Gold Medal for Distinguished Career Research. In 2007, the International Society for Intelligence Research named him its Distinguished Contributor of the Year. He has been Distinguished Visiting Fellow at the Hoover Institution, Stanford, Distinguished Visiting Speaker at Cornell, delivered the Stafford Little Lecture at Princeton, and been profiled in Scientific American. Professor Flynn has recently published his current views on race and IQ in Where Have All the Liberals Gone? Race, Class, and Ideals in America (Cambridge, 2008).

Preface to the expanded paperback edition; 1. A bombshell in a letter box; 2. Beyond the Flynn effect; 3. Towards a new theory of intelligence; 4. Testing the Dickens/Flynn model; 5. Why did it take so long?; 6. IQ gains can kill; 7. What if the gains are over?; 8. Knowing our ancestors; 9. The art of writing cognitive history; 10. About GUT: the grand unification theory of intelligence; 11. Howard Gardner and the use of words; Appendix I. Tables; Appendix II. Declaration in a capital case.