In The Title

You Will Arrive At The Library With The GPS (Hours Of Operation Only), 19 East Curch Street, Milan 44846. You Can Solve The Puzzle Below Or Pick Up A Clue Sheet At The Check-Out Counter. This Book Is In A Special Section And Can Only Be Retrieved By Requesting It By Title. In This Book Is A GPS Location Of The Cache And A Rubber Stamp Of Edisons Lightbulb. Mischief Managed.

CLUES

1. You are seeking a Theodore Dreiser two-word novel title. Using a numerically assigned alphabet (A=1, B=2, C=3, etc.) solve the following:

19 9 19 20 5 18      3 1 18 18 9 5

2. Using the reverse process of alphabetically assigned numbers (1=A, 2=B, 3=C, etc.) solve the final part of the book title:

A H I I