Have you ever wondered about our strong preference for the number twelve in our lives? Why are we measuring time in twelve hours and many other things in units of twelve? How about the many occurrences of geometric manifestations of twelve in nature? Is our geometry describing nature, or is nature imitating our geometry? If you have an enquiring mind and seek a better understanding of the peculiar roles of certain numbers in our universe, if you are intrigued by the philosophical historical- scientific perspective of the very interesting number twelve, this book is for you.