Federal Operator 99, 1945

Jerry Blake, the FBI's Operator 99, stops crime lord Jim Belmont at every point when he escapes FBI custody and starts a reign of theft.
Chapter titles:
1. The Case of the Crown Jewels
2. The Case of the Stolen Ransom
3. The Case of the Lawful Counterfeit
4. The Case of the Telephone Code
5. The Case of the Missing Expert
6. The Case of the Double Trap
7. The Case of the Golden Car
8. The Case of the Invulnerable Criminal
9. The Case of the Torn Blueprint
10. The Case of the Hidden Witness
11. The Case of the Stradivarius
12. The Case of the Musical Clue