This book takes readers on an exploration of the Mackenzie River, the longest river in the world. It provides an in-depth look at the history, geography, and ecology of the Mackenzie River, as well as its importance to the
From Wikipedia
The Mackenzie River is a river in the Canadian boreal forest and tundra. It forms, along with the Slave, Peace, and Finlay, the longest river system in Canada, the second largest drainage basin of any North American river after the Mississippi.