The 100 Simple Secrets of Happy People Author:David Niven PhD The simple science of Happiness — Scientist and academics have spent entire careers investigating what makes people happy. But hidden in obscure scholarly journals and reports, their research is all too often inaccessible to ordinary people. At last, social scientist and psychologist David Niven PhD, distills the scientific gobbledygook of over a... more » thousand of the most compelling and important studies on happiness into easy to digest nuggets of advice.« less