Along the moonlit decks of a gay luxury liner a pair of happy lovers stroll... and so does... THE DEADLIEST KILLER ON THE HIGH SEAS!
There's TERROR In Every Clue!
THE MASTER OF MYSTERY EXPOSES A GENIUS OF CRIME! (original print ad - all caps)
PARIS! BLACKOUT!...but there's no blackout for crime...and the great detective is commandeered!
Death rides the clouds
It's The HEIGHT of FRIGHT! (original poster)
DEATH FIRES THE STARTING GUN!...and you'll be breathless at the finish!
Death lurks at every step...as your oriental super-sleuth stalks a desperate killer -- below the surface of the earth!
Death in the electric chair faces Charlie Chan... at the hands of a murderer twelve years dead!
it's Chan's most Spine-tingling mystery!
THE MYSTERY OF THE ALPHABET MURDER CASE! (original ad - all caps)
THE RIDDLE OF THE "KNIVES OF DEATH!" (original print ad - all caps)