Sean Penn, the two-time Oscar winning actor says that acting no longer interests him. Penn's films include "Milk," ''Mystic River," ''Dead Man Walking" and many others that have garnered commercial and critical acclaim. Penn's novel is called "Bob Honey Who Just Do Stuff". Despite negative reviews, "Bob Honey" has made the top 100 on Amazon.com and hit No. 1 in the absurdist fiction category.