(FOUND) A book is now hiding in Chicago, Illinois United States

Hidden on: 09/12/2019

Title: The school for good and evil

Author: Soman Chainani

Tracking Number: 9976

Location: Willis Tower, Chicago, Illinois United States

Clue:

Am I good,
Am I evil,
guess where I hide-or I could
Up in a tower is where I hide,
Way up high in the sky
Which tower, is it this?
It was named after Willis.