1. Who does Bill meet on the way to school?
2. What does Bill notice about the sign outside the grocery store?
3. What does Bill forget to bring to school?
4. Who does Bill encounter after school?
5. What strange sound does Bill hear coming from inside the school?
6. What is the purpose of the mysterious machine?
7. How does Bill's experiment with the machine turn out?
8. What does Bill learn from the alien visitors?
9. How does Bill handle the alien information?
10. What does Bill decide to do with the alien machine?