Geography Mark-Up Language: Foundation for the Geo-Web Mr Ron Lake, David Burggraf, Milan Trninic, Laurie Rae ISBN: 978-0-470-87154-6 Paperback 408 pages June 2004 US $109.95 Add to Cart This price is valid for United States. Change location to view local pricing and availability. This is a Print-on-Demand title. It will be printed specifically to fill your order. Please allow an additional 2-3 days delivery time. The book is not returnable.