No man could explain that death which struck from the stratosphere, turning men into statues, stripping the United States of defenses. Operator #5 — Ace of the American Secret Service — uncovered an espionage organization which was working against our country when Washington recaptured Yorktown, in 1781!... But now, a madman with limitless ambition headed the Secret Loyalists, determined to make himself Emperor of America, and Operator #5 takes a million-to-one gamble which brings him face to face with disgrace and death! Go with crack Secret Service agent Jimmy Christopher as he meets the challenge of Scourge of the Invisible Death, torn from the pages of Operator #5 Magazine, November 1935.
