The audience is listening : from infancy through toddlerhood -- The cathedral space of childhood : learning the language of your child's world -- The biggest, strongest, fastest : connecting with young boys -- The boss, the bestie, the high priestess of pretend : conversing with young girls -- Hard topics : talking to young children about sex, death, and money -- Spirit guides in disguise : an introduction to teenagers -- The exchange student Kazakhstan : teenage boys -- The visiting niece from a distant state : teenage girls -- The opinionators : teaming up with your partner, your ex, the grandparents, and "Olivia's mom" -- The trustees : getting the best out of nannies, teachers, coaches, and other adults in your child's life -- Appendix: Relative differences between boys and girls in brain development and function, expanded.