Lester Dent

Doc Savage

Terror in the Navy

Terror in the Navy

Mystic Mullah

Annihilist

Mystery on the Snow

Mystery on the Snow Illustrated

Mad Mesa

Stone Man

Polar Treasure

Fear Cay

Mad Mesa

Phantom City

Mad Mesa

Terror in the Navy

Meteor Menace

Lost Oasis

Phantom City

Mystery on the Snow

Fear Cay

Man of Bronze

Lady in Peril

Hades and Hocus Pocus

Lady to Kill

Cry at Dusk

Polar Treasure

Thousand-Headed Man

Annihilist

Dead at the Take-Off

Mystery under the Sea

Dead at the Take-Off

King of Terror

Fear Cay

Lady Afraid

Mystic Mullah

Lost Oasis

Annihilist

Mystic Mullah

Lady Afraid

Thousand-Headed Man