From the Publisher:
When insomnia robbed him of sleep, Ralph Roberts started to see horrible things happening to the people of Derry, Maine. But even if seeing is believing, it still doesn't give him a clue of how to stop these deadly, demonic visions from coming true...
Stephen King: Insomnia. Signet Book, ISBN: 0451184963 (September, 1995), 672 p., $7.99