Poul Anderson 
The Sensitive Man [EPUB ebook] 
With Linked Table of Contents

Conspiracy seems to be as much a part of our times as it was in the times of Guy Fawkes and the Gunpowder Plot. Hence it finds frequent reflection in all branches of fiction, including science fiction. Yet, as in life, something new has been added, the most gigantic conspiracy of all, the human conspiracy against conspirators. Which makes for a fine stirring story in this short novel of the future.
One man stood between a power-hungry cabal and world mastery—but a man of unusual talents.