Unaware that the voice from across the pond telling him he's lonely is his echo, a little beaver sets out to make a friend of that voice, encountering real animal friends on the way.
Beaver's excitement at finding a mussel that doubtless contains a pearl is tempered by the realization that such a treasure could stir the greed of his friends, causing a chain of environmentally disastrous events.
Provides information about the physical characteristics, habits, and behavior of beavers and such related rodents as flying squirrels, pocket gophers, mice, and lemmings.