Sources of the River: Tracking David Thompson Across Western North America

The awe-inspiring story of explorer David Thompson, whose expeditions helped shape western North America

In this true story of adventure, author Jack Nisbet recreates the life and times of David Thompson—fur trader, explorer, surveyor, and mapmaker. From 1784 to 1812, Thompson explored western North America, and his field journals provide the earliest written accounts of the natural history and indigenous cultures of the what is now British Columbia, Alberta, Montana, Idaho, Washington, and Oregon. Thompson was the first person to chart the entire route of the Columbia river, and his wilderness expeditions have become the stuff of legend.

Jack Nisbet tracks the explorer across the continent, interweaving his own observations with Thompson's historical writings. The result is a fascinating story of two men discovering the Northwest territory almost two hundred years apart.

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Release date

Audiobook: November 14, 2023