You may have seen claims about how a book can improve your life. Thousands of people have provided supportive evidence for this book. It gives both clear help and evidence for its ideas. Even if you have a history of unhappiness or depression or are facing difficult circumstances, you can learn to be happier. For those who doubt they can affect their emotions, the book provides strong contrary evidence. The factors Dr. Stevens' research identified are specific learnable beliefs and skills--not general, inherited traits. Each chapter teaches some of these factors about how to be happy and...