1. How does Sleator use various forms of light and voices throughout the novel?

What is the significance of Sleator's use of these devices?

2. How do the "good" characters in the novel differ from the "bad" ones?

3. Some people complain that the novel is too intense because of the violence that the characters inflict on one another. Do you agree? Explain your answer.

4. Write an essay comparing Peter to Oliver or Lola to Abigail.

5. Peter, Oliver, Lola, Abigail, and Blossom have many unusual experiences in the story. How do you think that their experiences will affect their lives after they return to the real world?