Lots of things are mysteries. But that doesnt mean there isnt an answer to them This is Christophers murder mystery story. There are also no lies in this story because Christopher cant tell lies. Christopher does not like strangers or the colours yellow or brown or being touched. On the other hand, he knows all the countries in the world and their capital cities and every prime number up to 7507. When Christopher decides to find out who killed the neighbours dog, his mystery story becomes more complicated than he could have ever predicted. BACKSTORY: Meet the author and learn about the background to Christophers story.