Why dont monsters ever go out? asks Nelly.Because they can never get a babysitter, says her dad.Nelly decides that she would like to be a monster-sitter. But how will she handle the monster of all monsters?Oxford Reading Tree All Stars is an engaging chapter fiction series which combines age-appropriate content with imaginative stories, perfect for inspiring and stretching able infants. The series develops comprehension skills and provides a wide variety of fiction topics and styles, alongside illustrations that aid understanding.