Big and Little
Sue Limb, Siobhan Dodds
Hardcover
(The Watts Publishing Group, Oct. 12, 1988)
Big is lonely because he hasn't got a friend. He's got a nice house and plenty to eat, but there's no one to share it with - until the day when he hears a voice coming from the plughole and finds a tiny man there. He persuades him to join him for breakfast, and they become firm friends.