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• What would you do if you possibly only had nine days to live? What risks would you take? Does this change how you think about your daily routine or goals?
• Avery's suicidal ideation is interrupted by news that an asteroid is headed straight for Earth. In what ways does Avery's experience with depression parallel or intersect with the apocalypse?
• The story is told in dual timelines; one present day, and one with flashbacks. Why might the author have chosen this narrative structure?
• Are there any characters you relate to or felt especially close to while reading?
• Avery's love for Cass is one thing that gives her hope and urges her to try to live again. But romantic love can't be the only thing keeping her going. Where else does Avery find hope for the future?
• What role does family play in Avery's life? In the other characters' lives? 
• One theme in the story is repression, or hiding one's self; in what ways do each of the characters shield pieces of themselves?
• What do you think happens after the final page?