From the Mixed-Up Files of Mrs. Basil E. Frankweiler 50th AnniversaryAudiobookFrom the Mixed-Up Files of Mrs. Basil E. Frankweiler 50th AnniversarybyE. L. KonigsburgRating: 2 out of 5 stars2/5Save From the Mixed-Up Files of Mrs. Basil E. Frankweiler 50th Anniversary for later