In the late 1940s, a small pack of wolves crossed the ice of Lake Superior to the island wilderness of Isle Royale, creating a perfect laboratory for a long-term study of predators and prey. Mech, a graduate student at the time, began research and would eventually became an internationally renowned wolf expert. Here Mech recounts three summers and winters he spent on the isolated outpost of Isle Royale National Park, tracking and observing wolves...

"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 his 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...

Recounts the authors' experiences studying and living with a wolf pack, profiling such wolves as Kamots, the brave alpha, and his underdog brother, Lakota.

A Canadian biologist's assignment to study arctic wolves in 1948 turns up many unusual facts about their pattern of living, eventually softening the species' savage reputation worldwide.