How does concluding with an excerpt from Mary’s memoir, The Book of Mary, reframe the novel’s conflict dynamics, particularly with regard to the narrative functions of each character?

Yesteryear contrasts Natalie’s performance of domestic labor for her brand with the grueling reality of that same labor in the 1855 timeline. How does the novel define work and explore the philosophy of work?

Compare and contrast modern Caleb against “Old Caleb.” Which qualities enable continuity between the two versions of the character?