Is there an era for which you feel nostalgia? Would you travel to that time given the opportunity? If so, why? Is your reasoning similar to Si’s?

In the first chapter, Rube claims that Si is a good fit for the project without explaining why. What qualities does Si possess that make him uniquely able to succeed in the experiment where others, like Rube, have failed?

Do you agree with Si’s assessment that he and Julia are not to blame for the fire that burns down the World Building? Why or why not? Using evidence from the novel, explain why Si’s reasoning might be correct, or faulty, and how it fits with the possible consequences of changing the past.