On the Edge: From Knowledge to Action During the Fourth International Polar Year

On the Edge: From Knowledge to Action During the Fourth International Polar Year Circumpolar Flaw Lead System Study (2007-2008) Preowned condition. Copy may have the previous owner's name written on the inside cover. Typical signs of cosmetic wear for items of this age, such as corner-bumping and cover-discoloration & edge-wear. Please see pictures for details, as they are considered part of the description. Smoke-free home.