The Developing Person Through the Life Span: Paperbound Ninth Edition by Kathleen Stassen Berger (Author) With Kathleen Stassen Berger's always contemporary, always compelling textbook, students learn to see how the basic ideas of developmental psychology apply to their own lives, the lives of those around them, and the lives of others of all life stages and in cultures all around the world. Berger's narrative voice, wide-ranging cultural perspective, and focus on universal themes captivate students from the outset, helping them grasp the important theoretical and scientific work driving the field of developmental psychology today.