The novel sensitively shows how different the perception of the world can be from an autistic perspective. Christopher has difficulty interpreting emotions and understanding social norms, leading to misunderstandings and conflicts. Through Christopher's eyes, we experience the world in all its details, but also in its unpredictability and menace. The novel questions our definition of 'normal' and advocates for tolerance and acceptance of differences.

Christopher's story illustrates the challenges and misunderstandings that can occur in interpersonal communication. His limited ability to interpret non-verbal signals leads to conflicts and uncertainties. The novel also shows how important honest communication and mutual trust are for building interpersonal relationships.

The novel illuminates the complex dynamics within families confronted with the challenges of an autistic child. Christopher's parents struggle with their own fears and insecurities while trying to provide the best possible support for their son. Through his detective work, Christopher gains self-confidence and independence, which ultimately brings him closer to his family.