In this fifth installment in the series, "readers meet a young boy trying to come to terms with his parents' divorce ('The Son'); a new mother whose husband was killed before he could meet and name their infant daughter ('The Nameless Child'); a woman who eloped without her father's blessing and now needs his forgiveness ('The Father'); and two best friends driven apart by painful romantic secrets ('The Valentine'). The focus on regret and grief makes this a heart-wrenching outing, but kindness and empathy still shine through in Kawaguchi's characters"--