ExuberanceA national bestselling author examines one of the mind's most exalted states one that is crucially important to learning, risk taking, social cohesiveness, and survival itself. " Jamison is that rare writer who can offer a kind of unified field theory of science and art." The Washington Post Book World With the same grace and breadth of learning she brought to her studies of the mind's pathologies, Kay Redfield Jamison examines one of its most exalted