Table of Contents

The Speed Demon 
The Stolen Roadster 
Traces of the Thief 
The Hold-Up 
Chet’s Auto Horn 
Tire Tracks 
The Mansion Robbery 
The Arrest 
Red Hair 
An Important Discovery 
Mr. Hardy Investigates 
Days of Waiting 
In Poor Quarters 
Red Jackley 
The Chief Gets a Bomb 
A Confession 
The Search of the Tower 
The New Tower
The Mystery Deepens 
The Flash in the Tower 
A New Idea 
The Search
Adelia Applegate’s Compliment
The Last of the Tower Case