Here is a synopsis of the book:
Thirty billion light years from Earth, two hundred toroidal colonies spin within a black nebula of organic matter. The human colonists of the Hæl triple star system are under siege by the Bœzch invaders. Cognizant beings cannot hide from the Bœzch, and when a human falls into their red, spindly hands, they are spun into stardust, until the theory of them is gone from the universe.
Now Fel, the black biomechanical lion, wearily hunts the Bœzch across the African toroidal colony known as the Long Savanna. Here he is tested. Here he is followed by a haunting song, a ghost of his former self, and a dream of a familiar human woman ….
You can buy a kindle version of the novel here for $2.99: http://www.amazon.com/dp/B005DEKAIU