A leading authority draws on new research to explain why the adolescent years are so developmentally crucial, and what we must do to raise happier, more successful kids.Adolescence now lasts longer than ever before. And as world-renowned expert on adolescent psychology Dr. Laurence Steinberg argues, this makes these years the key period in determining individuals’ life outcomes, demanding that we change the way we parent, educate, and understand young people.In Age of O...