An introspective boy and an adventurous girl uncover a poignant family mystery during a summer on the shores of Three Bird Lake. For as long as he can remember, Adam and his parents have spent their summers at his grandmother's rustic cabin on Three Bird Lake. But this year will be different. There will be no rowdy cousins running around tormenting Adam. There will be no Uncle John or Aunt Jean. And there'll be no Dad to fight with Mom. This year,...