Douglas Brinkley brings to this magnificent story of Theodore Roosevelts crusade on behalf of Americas national parks the same qualities that made TR so fascinating a figure--an astonishing range of knowledge, a superb narrative skill, a wonderfully vivid writing style and an inexhaustible energy. --Doris Kearns Goodwin, author of Team of Rivals A vast, inspiring, and enormously entertaining book. -- New York Times Book Review From New York Times bestselling historian Douglas Brinkley comes a sweeping historical narrative and eye-opening look at the pioneering environmental policies of President Theodore Roosevelt, avid bird-watcher, naturalist, and the founding father of Americas conservation movement--now approaching its 100th anniversary.