A Cerebral Thriller
Will spying ever be the same again?
OUT OF THE BLAZING TEXAS FRONTIER! (original print ad - all caps)
PARIS! BLACKOUT!...but there's no blackout for crime...and the great detective is commandeered!
When the DEAD walk the earth, there's no place for a man of peace
Beneath the city streets lie government secrets. File #7 is missing... Pray they don't find it.
He carries two .357 combat magnums and he's Licensed to kill.
THE LONE WOLF'S TURNED SPY-SMASHER!
This is a Riot for Every Tom, Dick and Mata-Hari
Woman of power
The Captain Knows Members of His Submarine Crew are Enemy Agents - But Who?