Why might Malerman have chosen to alternate between two timelines instead of telling the story chronologically? What is gained or lost by that decision?

Compare the novel with the 2018 film adaptation directed by Susanne Bier. How do they differ, and what is gained or lost in the transition from one medium to another?

Analyze one or more suspenseful scenes. How does Malerman establish and increase tension? Be sure to consider specific stylistic choices.