The true origin of the triffids and their relationship with the comet, if any, remains undefined. Does this add or subtract to the overall effect of the narrative? Explain your answer.

Are any of the book's central characters (William, Josella, Coker, Susan) heroic, or do they do what they do what he does simply to survive? What defines a hero? When does a survivor become a hero?

Given the book's clearly intentional parallels between the physical threat of the triffids and the moral threat posed by Russian communism, what do you think a contemporary parallel might be? In other words, if "The Day of the Triffids" were being written today, where might an author suggest such a combined physical/moral threat might come from?

Taking into consideration the circumstances and situation, do you agree with Dr. Vorless' theories and policies as outlined in Chapter...