The blurb on the jacket's front flap reads " The Druid Pack was the most famous wolf pack in Yellowstone National Park, and maybe even the world. This is the dramatic true story of its remarkable leader, Wolf 21. In this compelling page turner, Rick McIntyre profiles one of Yellowstone's most revered alpha males, Wolf 21. Leader of the Druid Peak Pack, Wolf 21 was known for his unwavering bravery, his unusual benevolence (unlike other alphas, he never killed any defeated rival males), and fierce commitment to his mate, the formidable Wolf 42. Wolf 21 and Wolf 42 were attracted to each other the moment they met - but Wolf 42's jealous sister interfered viciously in their relationship. After an explosive insurrection within the pack, the leaders of the Druid Peak Pack, which dominated the park for more than 10 years. McIntyre recounts the pack's fascinating saga with compassion and a keen eye for detail, drawing on his many years of experience observing Yellowstone wolves in the wild. His outstanding work of science writing offers unparalleled insight into wolf behavior and Yellowstone's famed wolf reintroduction project. ..."