2. What happens to the U.S. ambassador to Japan?
(a) He is poisoned.
(b) He dies of a plague.
(c) He is kidnapped.
(d) He is assassinated.

3. What attacks the Sea Rover in Chapter 26?
(a) A Korean fringe group.
(b) A renegade Japanese submarine.
(c) A dozen commandos from Kang's ship.
(d) A kamikaze airplane.

4. What is the payload on board the I-403's final voyage?
(a) Freeze-dried measles.
(b) Freeze-dried smallpox.
(c) Freeze-dried bubonic plague.
(d) Freeze-dried anthrax.

5. How is the Japanese sub discovered on the ocean floor?
(a) By sonar.
(b) By radar.
(c) By submersible cameras.
(d) By satellite imagery.

6. What make of car do the Asian thugs drive when chasing Dirk?
(a) A Lexus.
(b) An Infinity.
(c) A Pinto.
(d) A Cadillac.

7. What has been removed from the Japanese sub Dirk and Dahlgren discover?
(a) A nuclear reactor.
(b) Fuel cells.
(c) A nuclear warhead.
(d) A canister.

8. Who is described in Chapter 31 as a "fiery bantam?"
(a) Sandecker.
(b) Gunn.
(c) Ryan.
(d) Darla.

9. Who is the captain of the Sea Rover?
(a) Murphy.
(b) Pitt.
(c) Madison.
(d) Morgan.

10. How do Sarah and her fellow scientists survive?
(a) They were given an antidote.
(b) They had antibodies that made them immune to the toxin.
(c) They had sinus infections that kept the toxin from entering their lungs.
(d) They were exposed to a low level of toxin.

11. Who does Dirk call after Cussler returns him to Inchon?
(a) Giordino.
(b) Kang.
(c) Gunn.
(d) Tonguj.

12. What part from a compressor on board the I-411 do Dirk and Summer try to use as a crowbar?
(a) A piston.
(b) A widget.
(c) A handle.
(d) A titanium rod.

13. What virus does Kang's research lab chief try to combine with smallpox?
(a) H1 - N1.
(b) Anthrax.
(c) Measles.
(d) HIV-1.

14. Where are the U.S. ambassador to Japan and British ambassador to Japan found at the opening of Chapter 4?
(a) On a golf course.
(b) In a sauna.
(c) On board a ship.
(d) In a restaurant.

15. What river does Kang's lair overlook?
(a) The Rhine.
(b) The Volga.
(c) The Han.
(d) The Danube.