Hidden on: 08/09/2019

Title: From the Mixed-Up Files of Mrs. Basil E. Frankweiler

Author: E. L. Konigsburg

Tracking Number: 9678

Location: Watertower Park, St. Anthony, Minnesota United States

Clue:

Zkupu vku cptss cpxzs xlv xi pxeo futp vku kxwu bf vku vpuu.

Hint: This is a cipher from the Book Scavenger book itself.