<span><span>This book chronicles Theodore Roosevelt's lifelong quests and expeditions—thrilling and often dangerous journeys that produced much important scientific research and took him across North America, South America, and Africa. From the Dakotas to the infamous River of Doubt in the Amazon, from Yosemite to Yellowstone, Roosevelt’s adventures provide a robust record of the natural world by not merely an observer but a figure that was responsible for saving much of it for future generations.</span></span><br /><span><span> </span></span>