Nancy Clue and the Hardly Boys in a Ghost in the Closet

In this novel, the Hardly boys team up with Nancy Clue and Cherry Aimless and their chums to solve the mystery of the Hardly's missing parents - who have been kidnapped while on a mission for a secret government agency. Encountering mechanical devices and evil scientists, as well as a sanatorium run by Dr Freud, the young investigators find themselves becoming more and more involved in a string of bizarre events and locations. Overall the novel provides a lesbian parody of American girl detectives.