President Bill Clinton will be signing his new book, “Back to Work: Why We Need Smart Government for a Strong Economy” on Friday, December 9, 2011 between 3:15-5:15 pm at the Chappaqua Library Theater. Books can be purchased by cash, check or charge at the library with a limit of 2 books per person. Checks can be made out to the Pleasantville Village Bookstore. Please enter through the main entrance.