- SEE THE DEVIL-DOGS OF LAND...SEA AND AIR IN ALL THEIR GLORY! (original poster-all caps)
- WITH UNCLE SAM TO THE RESCUE...WHEN A SCIENTIFIC WIZARD TURNS FIEND INCARNATE AND TRIES TO ANNIHILATE THE WORLD(original poster - all caps))
- TRULY THE SERIAL SUPREME! The story of the secret of Halfway Island...took an entire regiment of Fighting Marines to solve...finally exposing the most diabolical plot to annihilate the world...ever conceived by man...or mankind !(original poster)
- WA weird tale of modern scientific pirates ruled by one fiend...known by name...but never seen! (original poster)
- THE DEVIL-DOGS OF THE AIR! THE SHOCK TROOPERS OF LAND! THE G-MEN OF THE SEA! (original poster-all caps)
- U.S. Marines Follow the Trail of Adventure
- 12 Smashing, Thrill-Packed Chapters Dealing With the Amazing Adventures of Uncle Sam's Daring Devil-Dogs of Land, Sea And Air!
- Who is the "Tiger-Shark"? ...The Scientific but Fiendish Ruler of the Mysterious "Halfway Island"?
- A Story So Brimful Of Entertainment You'll Never Forget It!
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