Packed with photography, art and writings by such notables as Margaret Atwood, Courtney Milne and John Ralston Saul, Three Rivers: The Yukon's Great Boreal Wilderness unveils a northern wilderness that is part of a vast ecosystem crucial to planetary survival. Previously little known to the outside world, the Yukon's Three Rivers Watershed is emerging as an environmental hot spot of immense importance, a key piece of the northern boreal zone.