Happily consumed with her academic career, Professor Avery Wainwright never planned on becoming sole guardian of her octogenarian Aunt Birdie. Forced to move Birdie-and her failing memory-into her tiny apartment, Avery's precariously balanced life loses its footing.Unearthed in the chaos is a stack of sixty-year-old letters. Written in 1951, the letters tell of a year Avery's grandmother, Alma Jean, spent teaching in the Indian school system, in the...