The Mystery of the Emeralds: Trixie Belden by Kathryn Kenny The Mystery on Cobbett's Island: Trixie Belden by Kathryn Kenny The Mysterious Code: Trixie Belden by Kathryn Kenny The Mystery in Arizona: Trixie Belden by Julie Campbell The Mystery Off Glen Road: Trixie Belden by Julie Campbell The Mysterious Visitor: Trixie Belden by Julie Campbell The Gatehouse Mystery: Trixie Belden by Julie Campbell The Red Trailer Mystery: Trixie Belden by Julie Campbell The Secret of the Mansion: Trixie Belden by Julie Campbell
