It's loaded with thrills!
THE MASTER OF MYSTERY EXPOSES A GENIUS OF CRIME! (original print ad - all caps)
There's TERROR In Every Clue!
Death rides the clouds
THE SCREEN'S FIRST BOMBSHELL OUT OF NEWLY-FREED CUBA!!! (original poster-all caps)
Was It a Wolf, Dog or Fiend in Human shape?
CRASHING FROM «ACTION COMICS» MAGAZINE TO ROUSING SERIAL ADVENTURE! (original poster-all caps)