Circle Of Retribution: A Novella Gardener Jackson was one of the best pilots to ever come out of Mars Space Academy. He was a natural to fly the missions that would mine Saturn's upper atmosphere for the fusion fuel, Helium 3, that the Solar System needed. But there was one problem, a foe he didn't even suspect would stop at nothing to prevent Gardener from succeeding, including life-threatening sabotage. Circle Of Retribution is set in the future (2140s) and is a story in the Future Chron Universe which consits of 9 novels, 16 novellas, and 8 short stories. Hard Science Fiction - Old School.