ISBN 10: 0027657604 ISBN 13: 9780027657609

Publisher: Atheneum, 1986

Two monsters living on opposite sides of a mountain, who can't agree on whether day is arriving or night departing, insult each other and hurl rocks until the mountain is destroyed and they make a startling discovery.

From the Inside Flap:

Two monsters live on either side of a huge mountain and talk to each other through a hole in the middle. But one evening there is an argument that brings the whole mountain down.

About the Author:

David McKee's first book was published in 1964. His books are now published in over 35 languages throughout the world, and many of them have been adapted for television. He is one of the UK's leading contemporary children's book creators.