Puberty: the sex organs; sexual intercourse; making babies; everything you ever wanted to know; using this book. The stages of puberty: the first changes; feelings about starting puberty; am i normal?; keeping track of your progress. Changing size and shape: the growth spurt - when and how much?; how tall will i be?; changing shape; liking your body. Body hair, facial hair, perspiration, spots and other puberty changes: the role of hormones; body hair; facial hair; underarm hair and perspiration; skin changes; breast changes; voice changes; puberty is not a disease! Ejaculation, orgasms, erections, masturbation and wet dreams - the inside story; ejaculation and orgasm; erections; when you have an erection; masturbation; wet dreams. girls and puberty: similarities and differences; the growth spurt; changing shape; pubic hair; breasts; body hair, perspiration, spots and other changes; the genitals; the vagina, uterus and ovaries; hormones; the menstrual period. Sexual intercourse, reproduction, contraception, sexually transmitted diseases and other health issues: sexual intercourse; pregnancy and childbirth; contraception (birth control); abortion; questions about contraception and abortion; sexually transmitted diseases and other health issues; questions about STDs; other health problems; sexual crimes; other questions. Romantic and sexual feelings: romantic and sexual feelings before puberty; homosexual feelings; crushes; going out; making decisions about how to handle your romantic and sexual feelings. A few final words.