Edith Nesbit 
Magic City 

If you could create your own world from scratch what would it look like? In this story the brave characters find out.10-year-old Philip becomes concerned when his sister marries the father of a girl named Lucy, whom Philip does not get along with. In order to escape the situation, Philip creates a magical world entirely from his own imagination.However, Philip soon realizes that he has to come to terms with the world he has created in order to face reality.Step into a courageous adventure where objects come alive and dragons are slain, and still every page tells you something about your own life. Perfect for fans of J.K.Rowling and J.M.Barrie. –