Achieve Anything In Just One Year by Jason Harvey is a book that definitely helped me get a handle on what I really wanted out of life.
I would definitely recommend The Art Of Imperfection by Veronique Vienne and Erica Lennard. It is an absolutely amazing place to start. Also A Way Forward by Anna Voigt and Nevill Drury is a very good book.
I cannot say what is best. But I started to read these kind of books again since I am little lost right now. I try to find some inner strenght.
I love that book too and have had to buy several copies because the book feel apart from me reading it so many times.
My favorite is the book, " "Quest for the Lost Name" by author George Makris. This a novel that is a romantic adventure wrapped into a mystery in which the main character must go through personal growth and transformation. The book is well done and insightful! http://questforthelostname.com/
Mark Lanes 'Rush to Judgement'. Helped me to begin looking behind "the curtain" and realize that all is not as it seems.
They term it as the oldest book in history.....quite frankly i think it is plus the accuracy in its scripture can be scarringly uncanny sometimes
Methods of suicide http://www.amazon.com/Methods-of-Suicide-ebook/dp/B003QHZ6RG/ref=sr_1_9?ie=UTF8&qid=1369763040&sr=8-9&keywords=Suicide"]Amazon.com: Methods of Suicide eBook: Sascha von Bornheim: Kindle Store
But it you're doing what you love when working hard for those 40 years than it isn't selling your soul, is it? This is the key to a happy life. And it can be said in one line. Doesn't take an entire book: "If you do what you love for a living then you never have to work a day in your life." My Dad told me that when I was 14. Never forgot it. Maybe he shoulda written a book back then, huh? LOL Cheers.
Hey. I read the book The Rising Spiral. This is one of the best I've read recently. Helps, correctly look at life, and if you are in a difficult situation, such as depression. This should help you) Author of the book Alex Korb