1. Who does the assistant commissioner send a note to before he departs his office for the second time on the evening of the Greenwich Park explosion?
(a) The police commissioner.
(b) Michaelis's patroness.
(c) His wife.
(d) Heat.

2. What is the professor's reply when Ossipon asks if he has heard about the morning bomb explosion in Greenwich Park?
(a) That he had heard and was not surprised.
(b) That he had not heard, but was not surprised.
(c) That he was surprised when he learned of it earlier that day.
(d) That he was not surprised when he learned of it earlier that day.

3. Although initially insisting he works independently, the professor eventually confesses that he recently had sold what?
(a) A bomb concealed in a lunch basket.
(b) A bomb concealed in a backpack.
(c) A bomb concealed in a briefcase.
(d) A bomb concealed in a varnish can.

4. What is it the professor tells Ossipon he must sometimes do in seeking his goal?
(a) Rent a very small apartment and scrimp on money.
(b) Seek funds from revolutionary groups.
(c) Work various extra jobs to pay for bomb components.
(d) Skip meals for a day or two, as bomb components are expensive.

5. In Chapter 10, what is the initial destination the Assistant Commissioner goes to for the second time that evening?
(a) He goes first to the Italian restaurant for dessert and a glass of vermouth as a reward to himself in the case.
(b) He goes first to his office to type his official report so Heat will be outshone when he arrives for work in the morning.
(c) He first searches out Mr. Vladimir promptly for the second time that evening now that he can establish his days as an anarchist are over.
(d) He goes first to the secretary of state to report his progress in the investigation.