1. Cathryn and Isobel have a special, yet unusual, friendship. What is it that first draws them to each other? There are many disparities between the two women - why and how does their friendship work? How do they enrich each other's lives? In what ways does Isobel's friendship with Cathryn change her life?

2. Isobel was not only complicit in Cathryn and Jack's affair; she helped them carry it out. Why did she do this even if she believed it was morally wrong?

3. The summer of 1936 was clearly one of the defining moments in Isobel's life. In what ways did her marriage change after this summer? In what ways did her relationships with her children change? In what ways did she herself change?

4. If the story were contemporary, Cathryn's manic illness might have been properly diagnosed and attended to. What other outcomes of the story were dictated by the era?

5. Isobel had always been uneasy in Cypress, and after the disappearance of Jack and Cathryn, her reputation was nearly ruined. Victor had been embraced and revered in the community. How did this particular tension affect their marriage?

6. How did Isobel's and Victor's family histories shape and influence them? As partners in their marriage? As parents to their children?

7. Isobel seems to have deliberately chosen a solitary life after Victor's death. Why? What role might the circumstances of that one summer played in determining that 'choice'?

8. How do the many losses that Isobel suffers affect her in her old age? Does she ultimately resolve these losses? Does she make peace with her memories?

9. What closure, if any, could Thomas derive from his mother's story? How did his own curiosity about the past affect his relationship with his mother?

10. Some questions remain unanswered in the novel, such as Liam's death and how Isobel comes to imagine the fates of Jack and Cathryn. Is it necessary that these questions be resolved? Identify other mysteries and open-ended questions in the book, and discuss how you interpret them.