A collection of clever mini-stories about a 17-year-old detective trapped in the body of a young boy. He uses Sherlock-like logic to find solutions to murder mysteries. But even when he can solve the case, adults usually won't pay him any mind.
This is the first manga that I have read where I have also seen the anime based upon it. I had missed the first episode everytime on TV, and it was nice to read it. The pace is quick, and seems to better fit than the tv adaption.