Would his captive mind betray his secret?
Zero is never beside his name and he's a winner in every game
ONE THRILL AFTER ANOTHER! (original poster)
Calling All Agents! STAND BY FOR THRILLS! ADVENTURE! ACTION! (original print ad - many caps)
HOT OFF THE AIRWAVES! (original print ad - all caps)
A WORTHY SUCCESSOR TO «THE SPOILERS» (original poster-all caps)
ROY'S ON THE TRAIL AGAIN!...Here's Real-Time, Big-Time Rogers' Excitement!
PRISON...THE PRICE for TREASON!
NEW fun and thrills when Maisie turns cop