A small book packed with life-enriching mysteries, Mark Kurlanksy's latest distills the musings of thinkers from Confucius to Freud to arrive at a set of questions that may ever remain unanswered, but which nonetheless provide valuable signposts on the road to living an examined life.

July 22: On this day in 1941, on his twelfth wedding anniversary, Eugene O'Neill presented the just-finished manuscript of Long Day's Journey into Night to his wife, Carlotta.

Crime fiction legends Dennis Lehane and Michael Connelly discuss the new book that unites their beloved sleuths Patrick Kenzie and Harry Bosch.