Dan Brown’s new novel, "The Secret of Secrets," marks the return of Robert Langdon, the Harvard symbologist. This time, Langdon’s journey takes him to Prague where a lecture on human consciousness quickly unravels into a mystery involving a vanished scientist, an ancient manuscript, and a secret with world-altering implications.
Lauren Groff is a two-time National Book Award finalist and a New York Times bestselling author. Her latest “Matrix,” her first since the groundbreaking...