The third volume of Prelude to Dune brings this series to a close. The blood feud between Duke Leto of Caladon and Baron Vladimir Harkonnen reaches its climax a... » 

The third volume of Prelude to Dune brings this series to a close. The blood feud between Duke Leto of Caladon and Baron Vladimir Harkonnen reaches its climax as the book culminates in a war - on Dune, on the oppressed planet Ix, in space - that will alter the balance of power for a generation. «