"Disappointment River is a dual historical narrative and travel memoir that at once transports readers back to the heroic age of North American exploration and places them in a still rugged but increasingly fragile Arctic wilderness in the process of profound alteration by the dual forces of globalization and climate change. Fourteen years before Lewis and Clark, Mackenzie set off to cross the continent of North America with a team of voyageurs and...

In 2010, bestselling author Kathleen Winter embarked on a journey across the storied Northwest Passage, among marine scientists, historians, archaeologists, anthropologists, and curious passengers. From Greenland to Baffin Island and all along the passage, Winter bears witness to the new math of the North, where polar bears mate with grizzlies, creating a new hybrid species; where the earth is on the cusp of yielding so much buried treasure that five...