Mark Haddon's Curious Incident of the Dog in the Night-time highlights that all people are capable of changes depending on the circumstances they are in. The main character of the text, Christopher, despite his disability, changes in aspects of his thought patterns and behavioural problems through attempting to discover who killed his next-door neighbour's dog. Christopher's mother learns many new things about the reality of her own life as it becomes essential for her to change and start acting as a parent and taking responsibility for her son. Despite the fact that he has cared for his son since the day he was born, Christopher's father discovers exactly what is necessary to his son and how to communicate with him through Christopher's quest.

The Curious Incident of the Dog in the Night-time illustrates that 15-year-old Christopher...