Over the past two decades, legendary nature photographer Thomas D. Mangelsen has been tracking a grizzly and her offspring in Yellowstone and Grand Teton National Parks, amassing an incomparable photographic portfolio along the way. Featuring 150 of his most breathtaking photographs, Grizzly 399 offers an intimate view into the lives of this celebrated bear family that draws hundreds of thousands of tourists to the Yellowstone area each year hoping for even a brief glimpse. The American grizzly bear seizes our attention, rivets our thoughts, and evokes fear, awe, and wonder. The most famous population of grizzlies in the world is the ecosystem that encompasses Yellowstone and Grand Teton National Parks, and the most visible queen of all has been Jackson Hole Grizzly 399. During her long life, with cubs at her side, she has navigated the intersection between wilderness and people. Her harrowing journey has changed the way tens of millions of people around the globe think of both grizzlies and conservation. What is her enduring legacy--not only for the uncertain future of grizzlies but also for the remarkable and unparalleled assemblage of other wildlife under threat in the heart of America's most iconic ecosystem? No wildlife photographer on Earth has delivered a more insightful collection of imagery involving Grizzly 399 and her cubs than Thomas D.

Mangelsen. Together with conservation writer Todd Wilkinson, Mangelsen returns with a new, long-awaited volume that brings the importance of 399 and the plight of American grizzlies into focus in a way that will move your heart and inspire you to join the army of advocates who want to keep this region of public lands, which belong to them, forever wild. And they realize that one of the keys of achieving that noble goal is to ensure the protection of grizzlies at an uncertain time in the history of the world.