The Great Adventure at Yellowstone

Adventure
Karen, Sally and Alex are three teenagers who take a camping trip at Yellowstone National Park. Two of the park’s wolves are missing and the three teens decide to look for them. Their trip becomes an exciting, yet dangerous adventure when they meet a hungry grizzly bear, an angry mountain lion and a herd of bison. Will they ever find the missing wolves?
Dossiers:
Yellowstone National Park, Wolves, Wyoming: the Cowboy State, The animals at Yellowstone