Seventeen-year-old Camden splits her time between her father, a minor rock star, and her mom, a scruffy "hardware geek" who designs and implements temporary and sustainable power systems and satellite linkups for off-grid music and art festivals, tree-sits, and attends gatherings of alternative healers. Lark, Camden's father, provides her with brand-name jeans, running shoes, and makeup, while her mother's world is populated by anarchists, freaks,...