The Anatomical Shape of a Heart

A glimpse of what it's like to be an artist who draws for anatomy textbooks. Mentions of anatomical drawings in works by da Vinci and Michelangelo, especially "The Creation of Adam" in the Sistine Chapel, and famous anatomical artist Max Brödel. "Distichiasis" defined. Brief explanation of golden apple of discord in Greek mythology. A clever solution for going somewhere with someone you don't know very well. Information about the San Francisco Art Institute and some of the famous artists associated with it. Some geography, climate, and landmarks of San Francisco and the Bay Area.

Beatrix, 18 and a senior in high school, is an A student and talented artist. She thinks seriously about the future and what she wants to do with her life. At a party where teens are drinking, she prefers not to. She's loyal to and supportive of her older brother. She has a good relationship with her mother; her father is absent but trying to be part of his kids' lives. Love interest Jack is the perfect boyfriend, always knows just what Beatrix needs, and encourages Beatrix to get outside her safety zone.

Frank discussions about sex through teens talking among themselves and between mother and daughter. Pornography, walking in on a threesome, and reading about female orgasm mentioned. Teens kiss, make out, and eventually have sex with some descriptive details such as caressing nipples, stiffening, and trying interesting positions; the sex itself isn't directly narrated. Always using condoms is mentioned, and the mother provides condoms for both her son and daughter.

A few clothing and food products establish character or location.