You may have seen claims about how a book can improve your life.
Stevens\' research identified are specific learnable beliefs and skills--no.
The factors Dr.
For those who doubt they can affect their emotions, the book provides strong contrary evidence.
Even if you have a history of unhappiness or Depression or are facing difficult circumstances, you can learn to be happier.
It gives both clear help and evidence for its ideas.
Thousands of people have provided supportive evidence for this book.
You may have seen claims about how a book can improve your life