In this novel of lifelong reckoning between two women by the award-winning Mary Gordon, we meet Quin Archer, the revenge-loving queen of the reality-TV show Payback. Unbeknownst to her many fans, Quin was once an angry teen named Heidi, whose true story may be known only to Agnes, her art teacher at a private New England girls' school in the 1970s. Then a young woman herself, Agnes saw a spark of originality in the brooding Heidi. But when...