Källarens Hemlighet

A novel about a dark basement in a primary school. The main character is girl, eleven years old, with brown skin and brown curly hair. The side characters is a boy with blond short hair and a round face. He is ten years old. These two characters is trying to investigate a mystery door in the basement. The villain is the school's caretaker. He is a tall man with big hands and an evil smile on his face. The title of the novel is: Källarens hemlighet.