2. How does Piranesi come to predict the event that is going to occur shortly in Part IV?
(a) By watching the celestial bodies.
(b) By reading the books the Other has left for him.
(c) By consulting the Table of Tides he keeps.
(d) By recording the temperature differentials in the Great Halls.

3. What is the first writing of 16's that Piranesi comes across?
(a) A note to the police.
(b) A warning for the Other.
(c) Directions 16 seems to have written to himself.
(d) A note to Laurence Arne-Sayles.

4. What does Piranesi decide to do with 16's written message to him?
(a) Read it in its entirety.
(b) Take a photo of it for the Other.
(c) Erase it before he can read it, but only partially.
(d) Report it to the police.

5. Who is one of Laurence Arne-Sayles's most devoted students?
(a) Charlotte Henry.
(b) Sylvia D'Agostino.
(c) Fabian Gould.
(d) Marshall Windham.

6. How many years did Arne-Sayles spend in prison?
(a) 4 1/2 years.
(b) 8 years.
(c) 1 year.
(d) 10 1/2 years.

7. What image does Piranesi see when he reads the message 16 writes to him in Part IV?
(a) A group of wolves prowling.
(b) Many statues of the House converging on him.
(c) Lakes and mountains.
(d) Many lights, rain pouring down on him, and a junction of many streets with buildings all around.

8. What is the simple, single-line message 16 leaves for Piranesi in Part IV?
(a) Are You Matthew Rose Sorensen?
(b) Are You The Other?
(c) Do You Remember Your Name?
(d) Are You Alone?

9. Why is the Other unconcerned about the event Piranesi predicts in Part IV?
(a) He does not think the lunar eclipse can harm him.
(b) He tells Piranesi he is immune to all harm.
(c) He is used to fires.
(d) He will not be there in the House that day, so he will not be harmed.

10. How many pages associated with Ketterley in Piranesi's journals are missing?
(a) 145.
(b) 32.
(c) 67.
(d) 50.

11. How does Piranesi's journal describe D'Agostino's appearance?
(a) Slightly androgynous.
(b) Very masculine.
(c) Very feminine.
(d) Entirely average.

12. What is the name of one of D'Agostino's films?
(a) Stars and Bars.
(b) Moon/Wood.
(c) Lupin.
(d) Fellegrino.

13. Which of the following journal entries of Piranesi's was James Ritter mentioned in?
(a) The Discordant World.
(b) The Disgrace of Laurence Arne-Sayles.
(c) The Prisoner.
(d) The Chips Fell Down.

14. Who does Piranesi think the surprising smell in Part III belongs to?
(a) The Other.
(b) The Biscuit-Box man.
(c) 16.
(d) Laurence Arne-Sayles.

15. Who discovered that Arne-Sayles was keeping a prisoner in his house?
(a) Arne-Sayles's students.
(b) Arne-Sayles's housekeeper.
(c) Arne-Sayles's brother.
(d) Piranesi.