It is great on helping you come up with a vision and gives you the keys to 'bringing on' the self-motivation you need to hit your mark.

it tells you how you should go about it and the subconscious mechanisms you already possesss which will help you get there.
it is a clearly enlightening book.

It was on the highly recommended 'to-read-references' in another book i read prior ,entitled:
'If How To's Were Enough, We Would All Be Skinny, Rich and Happy' by Brian Klemmer.
An equally worthwhile read.

other books (in the same sort of carriage) that i'd recommend to you without reservation are:
'Mastery' by George leonard.

one that also helped me put life & my time into much better perspective is:
'How to get control of your time & life' by Alan Lakein.( This is a great book ).