books.google.com - First proposed twenty-five years ago, the flat tax concept has since been adopted by six states—Colorado, Illinois, Indiana, Massachusetts, Michigan, and Pennsylvania—and several countries around the world. In this new and updated edition of The Flat Tax, Robert Hall and Alvin Rabushka set forth...http://books.google.com/books/about/The_Flat_Tax.html?id=q5gygnaqssAC&utm_source=gb-gplus-shareThe Flat Tax
