I love everything by Martha Beck:
FINDING YOUR OWN NORTH STAR: Claiming the Life you were Meant to Live
STEERING BY STARLIGHT: Find Your Right Life No Matter What!
THE JOY DIET: 10 Daily Practices for a Happier Life
LEAVING THE SAINTS: How I Lost the Mormons and Found My Faith
And Wayne Dyer:
There are too many to list! Most are available on CD and as downloads for your iTune. You can find free podcasts on iTune's of Oprah's shows. THE POWER OF INTENTION is one of his most recent.