The Fortieth Door

The Hidden Hand

The Adventures of Tarzan

Winds of Chance

The Secret Code

Wolves of Kultur

The Crimson Ghost

The Adventures of Frank Merriwell

The Sea Hound

Darkest Africa

King of the Congo

Jungle Drums of Africa

Don Winslow of the Navy

Trader Tom of the China Seas

Flash Gordon

Jack Armstrong

The Amazing Exploits of the Clutching Hand

The Diamond from the Sky

The Great Radium Mystery

Lost City of the Jungle