Daniel Wegner's book, "The Illusion of Conscious Will" discusses the existence of free will, (not so much whether belief in it is rational): http://books.googl

Daniel Wegner's book, "The Illusion of Conscious Will" discusses the existence of free will, (not so much whether belief in it is rational): http://books.google.com/books?id=eQnlRg56piQC&printsec=frontcover&dq=wegner+%22free+will%22&source=bl&ots=ZWwqItY8L1&sig=6z40tqbViqrf-em9f4QI8BHX_x0&hl=en&ei=YDF1TKWkHI3AsAPU95yhDQ&sa=X&oi=book_result&ct=result&resnum=9&ved=0CD4Q6AEwCA#v=onepage&q=wegner%20%22free%20will%22&f=false http://books.google.com/books?id=eQnlRg56piQC&printsec=f...