It, s author are a David Niven.and it is a also success book.you can say in other word.it help in a life who want a success.their are a many quotes and a secrets in this book.so you read a carefully and study a longer much ok.it also help a people’s who want a open mind
It will help us ok.and you can approval now.their are 100 simple secrets of successful people.i like this book very much and you also buy this book for a success in a life.