Twelve-year-old Toulouse “Tull” Trotter lives on his grandfather’s vast Bel-Air parkland estate with his mother, the beautiful, drug-addicted Katrina — a landscape artist who specializes in topiary labyrinths. He spends most of his time with young cousins Lucy, “the girl detective,” and Edward, a prodigy undaunted by the disfiguring effects of Apert Syndrome. One day, an impulsive revelation by...