by Jeff Smith
Fone Bone and Smiley strike out into the wilderness to return a lost rat creature cub to his home in the mountains. They meet new allies: a scrappy young band of animal orphans (their parents were eaten by the stupid, stupid rat creatures) and a mysterious new foe: the formidable Rock Jaw, a giant mountain lion who fancies himself the master of the eastern mountains. Together, they discover the riddles of Nature and before it's over, two great titans of the mountains meet in an earth-shattering clash that will determine the fate of the land.