The acclaimed Costa-shortlisted author of Trauma and Asylum brings us a masterful novel of psychological suspense and marriage in 1960s America'A tour de force ... Unforgettable' New York Times'An elegant psychological thriller' The TimesThe aloof and enigmatic Constance Schuyler lives alone in Manhattan when she meets Sidney Klein, a professor of poetry twenty years her senior, at a literary party. A few weeks later, he proposes marriage and Constance accepts, moving into his dark, book-filled apartment.But Constance is tortured by a bitter past. When her father makes a devastating revelation, Constance's fragile psyche suffers a profound shock. Her marriage, already tottering, threatens to collapse completely. Sidney can only watch and wait, doubting his own moral strength. Constance's consolation is the friendship of Sidney's boy Howard, a strange, delicate child, not unlike Constance herself...