Note: We’re on tape today, replaying some of our favorite conversations.

On Today’s episode of Boston Public Radio:

Writer Ron Chernow talked about “Grant,” his biography of president Ulysses S. Grant.

Harvard Business School's Michael Norton talked about his research on whether consumers prefer saving money or saving time.

Author Karl Ove Knausgaard discussed his book, “Autumn.”

Artist Patti Smith talked about why she considers herself a writer above her other crafts, in a conversation about her memoir "Devotion (Why I Write)."

Novelist Salman Rushdie discussed his novel "The Golden House.”

Naturalist Sy Montgomery and fellow animal writer Elizabeth Marshall Thomas discussed their book, "Tamed and Untamed: Close Encounters of the Animal Kind."