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!
Triple murder for high stakes! A new high in mystery excitement! And laughs, too!
THE RIDDLE OF THE "KNIVES OF DEATH!" (original print ad - all caps)
There's TERROR In Every Clue!
PARIS! BLACKOUT!...but there's no blackout for crime...and the great detective is commandeered!
It's The HEIGHT of FRIGHT! (original poster)
THE MYSTERY OF THE ALPHABET MURDER CASE! (original ad - all caps)
Death in the electric chair faces Charlie Chan... at the hands of a murderer twelve years dead!
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!
it's Chan's most Spine-tingling mystery!