This book sums up 100 of years of research into the study of happiness—from 19th century scientific insights on the subject to the pop psychology perspectives of modern-day America.We all want to be happy, but what does that mean, and how do we get there? These questions may be a popular topic of positive psychology books in recent years, but interest in the subject stretches back over a century. Distinguished authors Nathan Carlin and Donald Capps examine opinions...