Now with expanded information on internet safety, birth control, sexual harrassment and more  this universally acclaimed classic by Robie H. Harris and Michael Emberley is a cutting-edge resource for children, parents, teachers, librarians and anyone else who cares about the well-being of pre-teens and teens. Providing accurate and up-to-date information to answer young people's concerns and questions, from conception and puberty to birth control and AIDS, it offers everything they need  now more than ever  to make responsible decisions and stay healthy.