An accomplished aviator sets out to locate treasure hidden by one of his ancestors. He encounters interference from various adversaries.

The Eagle uses sky writing to make threats against a corporation. Nathan Gregory owns a travelling fairground and is thought to be the Eagle. Craig McCoy is a pilot who…

Corporal Larry Grant and Sergeant “Mac” McGowan, of the United States Marine Corps, are rival for the love of Frances Schiller, but team up to hunt down “The Tiger Shark,”…

The Wolverine Kid kills a man and it looks like Steve Howard did it. But Steve’s father recognizes the bullet as coming from the gun owned by the Kid.

Frisco Jenny was orphaned by the 1906 earthquake and fire and has become the madame of prosperous bawdy house. She puts her son up for adoption and he rises to…