Ghostwriter is an American children's mystery television series created by Liz Nealon and produced by the Children's Television Workshop (now Sesame Workshop) and BBC Television (episodes aired during BBC Two's Schools output). It began airing on PBS on October 4, 1992, and the final episode aired on February 12, 1995. The series revolves around a circle of friends from Brooklyn who solve neighborhood crimes and mysteries as a team of young detectives with the help of an invisible ghost named Ghostwriter. Ghostwriter can communicate with the kids only by manipulating whatever text and letters he can find and using them to form words and sentences. The series was filmed on location in Fort Greene, Brooklyn.