This image is the cover for the book The Secret Martians, Classics To Go

The Secret Martians, Classics To Go

MASTER SPY OF THE RED PLANET. Jery Delvin had a most unusual talent. He could detect the flaws in any scheme almost on sight—even where they had eluded the best brains in the ad agency where he worked. So when the Chief of World Security told him that he had been selected as the answer to the Solar System's greatest mystery, Jery assumed that it was because of his mental agility.

Jack Sharkey

Jack Sharkey; born 6. May 1931 in Chicago, Illinois; died 28. September 1992 in Laguna Hills, Kalifornien) was an American writer, known as an author of Science-Fiction stories and Plays.

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