Book I of the Cluster series. At the farthest reaches of the Milky Way, on the planet of Outworld where primitive men and nubile women still battle giant dinosaurs, the barbaric genius of Flint is summoned by the Earthborn to fulfil a mission: to save the galaxy's energy source from the marauders of the Andromeda Galaxy by transferring his overpowering Kirlian essence to alien spheres and uniting the galaxy against the invaders. Cover art by Fred Gambino.