2. What does the Vonnadorians’ understanding of prime numbers allow them to do?
(a) Invent life forms.
(b) Inhabit other worlds.
(c) Time travel.
(d) Colonize other planets.

3. What does a person need to stay true, or in order for their love to be true, according to the narrator?
(a) The idea of love.
(b) The lover’s own heart.
(c) The beloved’s whims.
(d) Life’s delusions.

4. What does Isobel’s alter ego in her novel say will happen if she solves the mystery of her marriage?
(a) She will have to renew her vows.
(b) The marriage will enter a crisis.
(c) She will need to solve herself.
(d) The love will end.

5. Where does the narrator say that love stems from?
(a) The depths of grief.
(b) The possibility of pain.
(c) The heat of desire.
(d) The inevitability of death.

6. How does the narrator characterize the pleasure he feels while making love with Maggie?
(a) Phosphorescent.
(b) Spiritual.
(c) Anatomical.
(d) Incandescent.

7. Why does the narrator say he did not tell Gulliver to stop, when Gulliver started to beat him?
(a) He was willing to be killed rather than let Isobel and Gulliver be killed.
(b) He wanted to see what human violence was like.
(c) He wanted to make it look like self-defense.
(d) He could not breathe with Gulliver’s hand on his throat.

8. How do the narrator’s hosts characterize human beings?
(a) The least forgivable of criminals.
(b) The shallowest of mysteries.
(c) The most tedious of freedoms.
(d) The simplest of problems.

9. Who is Nat?
(a) The narrator’s mother.
(b) The narrator’s replacement’s replacement.
(c) Gulliver’s girlfriend.
(d) Isobel’s sister.

10. How does the narrator know that someone has been in the house while he and Isobel slept?
(a) Isobel’s computer is open.
(b) He hears footsteps.
(c) Newton barks at them.
(d) There are fresh footprints in the kitchen.

11. Who tells Gulliver that his father was taken by aliens?
(a) Isobel.
(b) The replacement.
(c) Ari.
(d) The narrator.

12. What starts to astonish the narrator after he becomes human?
(a) The improbability of human life.
(b) The impossibility of escape from Earth.
(c) The ubiquity of threats to human life.
(d) The inevitability of his suffering and death.

13. What does the narrator say happens after he fails to kill Isobel?
(a) He says that she threatened to kill him.
(b) He says that he became a me instead of a we.
(c) He says that he became fully human.
(d) He says that his head was taken over by violet pain.

14. What is the top secret thing Ari mentions to the narrator?
(a) Andrew Martin’s affair with Maggie.
(b) The narrator’s true origins.
(c) The true cause of Daniel Russell’s death.
(d) Andrew Martin’s proof of the Riemann Hypothesis.

15. What will the consequence be, if the narrator surrenders his gifts?
(a) He will start to decompose in Earth’s atmosphere.
(b) He will never become fully human.
(c) He will have to start again as a human child.
(d) He will never be able to return home.