Ghostwriter (1992)

The show is about a group of kids who goes around solving neighborhood crimes and mysteries in New York City as young detectives with the help of a very secretive friend: Ghostwriter. Ghostwriter cannot hear, talk, smell, or feel. He can only read and write. He only sees words. No one else can see him but the Ghostwriter Team. In additions, the Ghostwriter Team have to solve their own mystery: who was Ghostwriter?