Sign in a used bookstore:
Which of these books is it believable Obama really loves? Was "The Golden Notebook" personally transformative for him or did somebody — some insane person — tell him it would be a good inclusion on the list? And what's with "Shakespeare's Tragedies"? What was the thinking there? "The Complete Works of Shakespeare" seems too generic, but if you specify a play, people will compare you to a particular character.
(Here's the NYT article the list came from.)