The Wolf Effect: A Wilderness Revival StoryA Voice of the Wilderness Picture Book New York Timesbestselling author Rosanne Parry and award winning artist Jennifer Thermes explore the reintroduction of wolves into Yellowstone National Parkand the trophic cascade effect they causedin this informative, timely, and reader friendly picture book. Features a map and extensive backmatter, as well as humorous comic panels. Here are the Rockies, their forests are bare. With only an echo of what once