Filled with evocative descriptions of Cambridge, past and present, of seventeenth-century glassmaking, alchemy, the Great Plague, and Newton’s scientific innovations, Ghostwalk centers on a real historical mystery that Rebecca Stott has uncovered, involving Newton’s alchemy. A riveting literary thriller, Ghostwalk is a rare debut that will change the way most of us think about scientific innovation, our perception of time, and the force of history.

1. Before her death, Elizabeth tells Lydia, “Cambridge is just a palimpsest”–a word meaning a parchment that has been written on, scraped off, and used again. What does she mean by this? How does that metaphor figure in the construction of the novel? Could the metaphor of the palimpsest represent anything else in the novel other than the city?
2. At Elizabeth’s memorial service, Cameron reads lines from the Wallace Stevens poem, “Thirteen Ways of Looking at a Blackbird”:

   When the blackbird flew out of sight
   It marked the edge
   Of one of many circles.

   How are these lines relevant to Elizabeth’s death? What edges of circles, or intersecting lives and stories, does Elizabeth now mark even though she has disappeared from sight?

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