Cathy Carr’sLost Kites and Other Treasures is a moving and heartfelt middle-grade novel about mental illness, the transformative power of art, and the ever-changing complications and joys of family life.   Twelve-year-old Franny Petroski never lets anyone know how often she thinks of the charismatic, troubled mom who left her years ago—any more than she talks about the unaccountable things Mom did while she was still in the picture. Life with Nana is safe and secure, and Franny’s innovative art projects fill in any lonesome times.   But when Nana has an accident and Franny’s...