From the Mixed-Up Files of Mrs. Basil E. Frankweiler is a 1973 American children's film based on E.L. Konigsburg's novel From the Mixed-Up Files of Mrs. Basil E. Frankweiler. It tells the story of a girl and her brother who run away from home to live in the New York Metropolitan Museum of Art and discover what they think is a lost treasure. The film was remade as 1995 television film starring Lauren Bacall.