The Cassini division

Ellen May Ngwethu is a young woman with centuries of experience, no morality and the true knowledge.The Cassini Division is the elite defence force of the Solar Union. Its orbital forts around Jupiter are the front line in a centuries-long conflict with post-human Als whose intentions are unknown but whose powers once extended to shattering Ganymede and building a worm-hole bridge to the far future.But are the post-humans less hostile than they seem? It has fallen to Ellen to decide . . .