Consider one of the novel’s central questions. How would you evaluate the risk-reward analysis made by Kara that a massive loss of life is acceptable if it means an even more massive number of people would be saved?

How might the novel be different if it were told from a third-person point of view? How does the first-person POV deepen the tone?

Examine the role that guilt plays in the novel. How central is it as a source of motivation for the characters?