PAPERBACK ORIGINAL FIRST EDITION, Signet Mystery #T4490, published March 1971. First Edition, First Printing, so stated, no previous hardcover. Author's 21st of 38 Detective Ed Noon spy mystery/thriller novels. Cover blurb: "A New Spy To Mr. President Thriller" & "Sexy sirens, submarine suspense, and a sinister plot to torpedo America. A red-hot assignment tossed in the lap of the President's top-secret man, Detective Ed Noon." Spine number: 451-5-T4490-075. Original 75c cover price. Disc: Paperback, 144 pages, 18 cm.
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March 1971 : USA Mass Market Paperback
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