The Question and Answer section for The Open Window is a great resource to ask questions, find answers, and discuss the novel.
I think Vera is naturally precocious. She saw that Mr.Nuttal was very nervous and easily agitated. She knew her little ghost story would get to him.
I'm sorry, the name you've provided in your post is not a character in The Open Window.
The country was supposed to calm Mr. Nuttal's nerves. It might have had he not met Vera the storyteller!