An updated, fifteenth anniversary edition of the definitive book on kids’ sexual health brings this trusted resource into the twenty-first century.Now offering a brand-new chapter focusing on safe Internet use — one of parents’ key concerns — 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.A NEW YORK TIMES BOOK REVIEW Notable Book of the YearA BOSTON GLOBE-HORN BOOK Award WinnerAn Association of Booksellers for Children Booksellers’ ChoiceAn American Library Association Notable Children’s BookFive starred reviews (BOOKLIST, BULLETIN OF THE CENTER FOR CHILDREN'S BOOKS, KIRKUS REVIEWS, PUBLISHERS WEEKLY, SCHOOL LIBRARY JOURNAL)