The Inner Game of Tennis by W. Timothy Gallwey
No, I don't play tennis but this book is more than a book on tennis, it's a book that teaches you to play the inner game...The Inner Game being the ability to control your thoughts so as not to defeat yourself when partaking in an external pursuit...so the book is practical in any situation from Tennis to Sex...(yes!)...
According to the Product Description on Amazon:
The Inner Game of Tennis is a revolutionary program for overcoming the self-doubt, nervousness, and lapses of concentration that can keep a player from winning.
Check out the theinnergame.com blog and purchase the book.
PS. green paper gang is probably not a brand for the shallow...i'm just saying...