This “heartbreaking and heartfelt” (Kirkus Reviews, starred review) star-crossed love story follows two teens in a starkly unequal future world who are struggling to find their places. Sixteen-year-old Rumi Sabzwari has spent his entire life behind the armored walls of St. Iago, which protect citizens of the Union of Upper Cities from the outside world’s environmental devastation. But when rebels infect his father with a fatal virus, Rumi escapes St. Iago, desperate to find a cure. In the ruined city of Paraíso, Rumi meets fifteen-year-old Paz, who agrees to guide him on his...