My executive coach suggested that I read this book when I first started working with him: http://www.rdpusa.com/executive-coaching. Since I was new to the world of executive coaching, I was not sure what I could truly get out of the experience. Reading this book helped me to build a foundation that I was able to leverage while working with my coach. I think reading the book is helpful for "students" of executive coaches, so that you can get the most out of your experience.