Cass Moriarty: 2 books

An elderly man, living alone in the suburbs, thinks back on his life—the missed opportunities, the shocking betrayals, the rare moments of joy. When his 10-year-old neighbor hides in his garden one afternoon, they begin an unexpected friendship that gives them a reprieve from their individual struggles....

Daniel Whittaker has left some unusual instructions in his will: in order for his three children to collect their generous inheritance, they must hand-deliver letters addressed to strangers from their father's past. Who are these people and what was their significance to Daniel?  For his eldest son,...