Haddon M. (Mark) creator uk London Definitions 2004 eng 280 p. Fifteen-year-old Christopher has a photographic memory. He understands maths. He understands science. What he can`t undersnand are other human beings. When he finds his neighbour`s dog lying dead on the lawn, he decides to track down the killer and write a murder mystery about it. But what other mysteries will he end up uncovering? n/29355-n/29360 0099456761 101108 20260805124445.0 00000000000041364