Chapter Titles:
- 1. The Carnival Mystery
- 2. Pinholes
- 3. The Eagle Strikes
- 4. The Man of a Million Voices
- 5. The Telephone Cipher
- 6. Code of the Carnival
- 7. Eagle or Vulture?
- 8. On the Spot
- 9. When Thieves Fall Out
- 10.The Man Who Knew
- 11.The Eagle's Wings
- 12.The Shadow Unmasked