The Shadow of the Eagle (1932)

The Eagle uses sky writing to make threats against a corporation. Nathan Gregory owns a traveling fairground and is thought to be the Eagle. Craig McCoy is a pilot who goes looking for the Eagle when Gregory turns up missing.
- Written by Ed Stephan

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