Unusually, it was published simultaneously in separate editions for adults and children. Asperger’s if anything it’s a novel about difference, about being an outsider, about seeing the world in a surprising and revealing way. The book is not specifically about any specific disorder,” and that he, Haddon, is not an expert on autism spectrum disorder or Asperger syndrome. The book uses prime numbers a mathematician reads the newspaper pdf download number the chapters, rather than the conventional successive numbers.
Judy, died two years ago. The boy discovers the dead body of the neighbour’s dog, Wellington, speared by a garden fork. Mrs Shears, the dog’s owner, calls the police, and Christopher comes under suspicion. He decides to investigate the dog’s death, despite his father’s orders to stay out of other people’s business. He is severely limited by his fears and difficulties when interpreting the world around him.
Throughout his adventures, Christopher records his experiences in a book, which he calls a “murder mystery novel”. During his investigation, Christopher meets people whom he has never before encountered, even though they live on the same street, including the elderly Mrs Alexander, who informs Christopher that his mother had an affair with Mr Shears and had been with him for a long time. Christopher’s father, Ed, discovers the book and confiscates it after a brief fight with the boy. While searching for the confiscated book, Christopher uncovers a trove of letters which his mother wrote to him, dated after her supposed death, which his father has also hidden. He is so shocked by his father lying about his mother’s death that he is unable to move, curls up on the bed, vomits and groans for several hours until his father returns home. Ed realizes that Christopher has read the letters and cleans him up.
He then confesses that he had indeed lied about Judy’s death and also that it was he who killed Wellington, stating that it was a mistake resulting from his anger after a heated argument with Mrs Shears. Christopher, having lost all trust in his father and fearing that Ed might try to kill him since he had already killed the dog, decides to live with his mother and runs away. He remembers his mother’s address from the letters and embarks on an adventurous trip to London, where his mother lives with Mr Shears. Mr Shears’s home, and waits outside until they arrive. Ed told Christopher that she was dead. Mr Shears does not want Christopher living with them and never did. His mother leaves Mr Shears, their relationship having broken down because of their conflict about Christopher and Mr Shears’s rejection of Christopher.
Judy then moves into a rented room in Swindon. After an argument with Ed, she agrees to let Ed meet Christopher for daily brief visits. Christopher remains terrified of his father and makes repeated attempts to prevent him from talking. He hopes Ed will be imprisoned for killing Wellington, although his mother explains that for this to happen, Mrs Shears would have to press charges.