<Dt> Christopher John Francis Boone </Dt> <Dd> The 15 - year - old protagonist and narrator of the novel, who investigates the murder of Mrs Shears' large black poodle . </Dd> <Dd> Christopher's father, a boiler engineer . Prior to the beginning of the story, he has been living with Christopher as a single parent for two years . </Dd> <Dd> Christopher's mother . Early in the book, Christopher writes that she died of a heart attack two years before the book's events . </Dd>

The curious incident of the dog in the night time full book