Joel Goss knows that Little Bub is a special colt, even though he's a runt. And when school teacher Justin Morgan asks Joel to break the colt in, Joel is thrilled! Soon word about Little Bub has spread throughout the entire Northeast-- this spirited colt can pull heavier loads than a pair of oxen. And run faster than thoroughbreds!

This is the story of the little runt who became the father of a world-famous breed of American horses-- the Morgan.