This universally acclaimed classic by Robie H. Harris and Michael Emberley is a cutting-edge resource for kids, parents, teachers, librarians, and anyone else who cares about the well-being of tweens and teens. Providing accurate and up-to-date answers to nearly every imaginable question, from conception and puberty to birth control and AIDS, IT'S PERFECTLY NORMAL offers young people the information they need — now more than ever — to make responsible decisions and stay healthy.