A complete guide for boys on their changing bodies, from the American Medical Association. Covers all the changes that happen to boys during puberty, including changes in weight, height, skin, hair, sex organs, and feelings, using a friendly but authoritative voice.

Includes index.

Welcome to puberty -- Eating, exercise, and a healthy weight -- Your height -- Your skin, teeth, and hair -- Your reproductive system-inside and out -- Erections, wet dreams, and masturbation -- Your feelings -- Relationships -- What about sex?