The Butlerian JihadIt began in the Time of Tyrants, when ambitious men and women used high powered computers to seize control of the heart of the Old Empire, including Earth itself. The tyrants translated their brains into mobile mechanical bodies and created a new race, the immortal man machine hybrids called cymeks. Then the cymeks' world controlling planetary computerseach known as Omniusseized control from their overlords, and a thousand years of brutal rule by the