Its a collection of lectures of Joseph Murphy. His techniques really work if practiced with utmost sincerity and devotion. He always manages to provoke us to take steps to reach to our subconscious level.
There are recommendations of prayers and mediation and they are helpful in life's everyday situations.
The book has 11 chapters, and at the end of each chapter you will get a summary, which will again make you go through the essence. This is one of those books you can pick up at any point in life and still reap benefits.