0Twenty-fifth Anniversary Edition. These classic books have helped hundreds of thousands of children and their parents to better understand and relate to each other. Helps youngsters understand their intrinsic worth as human beings. Builds and strengthens self-esteem, esteem of others, personal and social responsibility, critical thinking, and independent judgement. These books recognize that each person is a unique being with the capability to learn, grow and develop. Hooray for TA! Great for teachers, counselors, parents and other care givers.