"Ava, 14 years old and totally on her own, has still not fully processed her mother's death when she finds herself on a train heading to New Orleans, going to stay with Lane, her grandmother whom she's never met. Lane is a well-known artist in the New Orleans art scene. She spends most of her days in a pot-smoke haze, sipping iced coffee, and working on the mural that has been her singular focus for years. Her grip on reality is shaky at best, but...