Medusa: A Tiger by the Tail — Jack L. Chalker

THE BEGINNING OF THE END GAME

The Confederacy's grand scheme seemed to be working. They had substituted the mind of their best operator for the minds of four criminals--every one a top assassin -- and sent one to each of the four Warden worlds to eliminate the resident Lord there. The agents on Lilith, Cerberus, and Charon had already reported in success! Now only Taran Bul's mission on Medusa remained.

On this frozen ice world, Bul quickly joined an on going conspiracy determined to overthrow the hated dictator Lord Talant Ypsir--the rebels' mission suited his perfectly But a combination of alien menace and Ypsirs secret power proved too much for Bul.

At last, the operator over all -- the Agent With No Name--had to prove his ability ... with everything stacked against him!

IN THIS VOLUME OF HIS MOST GRIPPING SERIES, JACK CHALKER BRINGS TO A GRAND CONCLUSION THE EPIC CONFRONTATION BETWEEN THE MIGHTY CONFEDERACY AND THE SMALL BUT POWERFUL WORLDS OF THE WARDEN DIAMOND