Hi Folks, I would like to make my ebook freely available to all people on this list. It is over at Ron Eglash's Ethnomathematics site. Just link and download. http://isgem.rpi.edu/pl/euro-american-ethnomathematics Washington DeCoded: geometric symbolism in the street layout of the nation's capital Happy Inauguration. Chris Hardaker http://www.earthmeasure.com/ Washington DeCoded: A New View Over the Capitol http://washingtondecoded.net/