Ultima Thule-the world's northernmost piece of land. For hundreds of years, explorers have tried to find-and to prove-where this elusive piece of terrain truly resides. Surrounded by the fierce conditions of the Arctic, this ongoing quest has been as controversial as it is dangerous. Beyond the Edge: The Search for Ultima Thule is one of the few books to chronicle the exploration, navigation, mapping, and debate surrounding the northernmost lands...