Power of Uniqueness by Arthur F. Miller Jr.

Based on the idea that every person is endowed from birth with a unique pattern of competencies and motivations, or giftedness, this book describes your Motivated Abilities Pattern (MAP), which indicates your personal giftedness and encourages you to pursue your unique calling and live a purposeful life that is highly productive and richly satisfying.  Formerly titled Why You Can't Be Anything You Want to Be.