Milk and Cookies - Frank Asch - Bog

Baby Bear and his parents are having a sleepover at his grandparent's house when he hears a scary noise. He looks through the cellar door keyhole and sees a dragon! Then he dreams the dragon comes upstairs and eats his milk and cookies. Bear is scared, but luckily his father shows him that the dragon is not what he thinks -- and there are plenty of milk and cookies to comfort him.