From the Mixed-Up Files of Mrs. Basil E. Frankweiler what are 3 important events thta happend in chapters 3-4 in the book from the mixed up files of Mrs. Basil E. Frankweller what happends in chapters 3-4 Asked by izzy r #654413 on 5/17/2017 12:44 AM Last updated by izzy r #654413 on 5/17/2017 12:44 AM