The mystery of green dragon (Book)

Joseph Dlamini is a bit of a nerd who gets bullied at school. He finds a small dragon statue while on a school field trip. He is curious about it so he goes onto his computer to chat to his friends in other parts of the world. Together, they are able to find out about the dragon and help the police solve a crime. Joseph becomes a hero and the bullies are left out when the police come to school to praise him for his help.