A quick flick through this classic shows that it has dated considerably since I first read it as a teenager. In spite of this, the underlying sentiment - that a positive attitude and faith in yourself attracts success and happiness - has had a profound effect in the personal development of millions of people. While it is fashionable these days to mock simple sentiments like 'maintain a positive attitude', no alternative has ever had such a dramatic impact in the development or transformation of individuals. (Kirkus UK)