Book excerpt: Utilizing sophisticated methodology and three decades of research by the world's leading expert on happiness, Happiness challenges the present thinking of the causes and consequences of happiness and redefines our modern notions of happiness. shares the results of three decades of research on our notions of happiness covers the most important advances in our understanding of happiness offers readers unparalleled access to the world's leading experts on happiness provides "real world" examples that will resonate with general readers as well as scholars Winner of the 2008 PSP Prose Award for Excellence in Psychology, Professional and Scholarly Publishing Division of the Association of American Publishers