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."