If you do not read this book, you will die ignorant of things you should know about free will. Dennett is the 20th/21st century's best philosopher.
A very indepth read on the thought processes involved with free thinking, self-made choices and an interpretation on where it will lead us. The beginning goes through some statistical math and computer code how even something programmed can evolve above the inputs given. Further reading yields some philosophy and other reaching ideas. overall a good one to have read once.