Half Moon Investigations by Eion Colfer

Meet Fletcher Moon. Half-pint schoolboy and fully qualified private investigator. Since graduating online, he has solved all sorts of minor mysteries at school and at home. It was only a matter of time before things got serious...
  These are strange days in the town of Lock. There has been a spate of odd crimes, including the theft of something belonging to one April Devereux. Fletcher investigates -and the finger of suspicion is soon pointing firmly in the direction of the notorious Sharkey brothers, Herod and Red.
  It looks like an open and shut case.
  But nothing is quite as it seems. And, as Fletcher delves deeper, its not long before the hunter becomes the hunted...

As we can expect of Eion Colfer, this book is great for teens. Its all detective work and how Fletcher finds him wrapped up in a bigger mystery.
  Again, we see expect something and something else happens. Only a person with very good brains can track what will happen next. I tried my best, but couldnt track it properly. It has a lot of ups and downs.
   I dont know what to tell about this book. Its just amazing. All the detective work and gettifng hurt does pays off in the end for Fletcher.
  Eion Colfer has really left me speechless about this book. You take the book and read it and you will come to know what I mean.