The  Curious Incident of The Dog in the Night-timesign

This is a book with a unique perspective that I recently read. The name is "The Curious Incident of the Dog in the Night-time." The book tells the story of Christopher, a boy with autism, from a first-person perspective. The story begins with the mysterious death of the puppy, and the secrets about the parents are discovered during Christopher's investigation. I want to use the death of a puppy as the theme of the cover to attract readers.