"There are bears in the stairs. That's why I don't like going to bed. It's the bears on the stairs."

You can read what illustrator Lynne Chapman was thinking as she started work on the rough drawings for this first spread on her blog post at http://lynnechapman.blogspot.com/2009/06/opening-spread.html

This is her initial sketch of the little boy who's voice it is telling the story. He is looking rather anxious - he is thinking about those bears: