Descendant MachineFrom the award winning author comes a gripping, fast paced, and fascinating science fiction adventure. Vividly imagined and sharply written, fans of Ann Leckie and Becky Chambers will be engrossed. The Grand Mechanism is a machine the size of Saturn's rings that has lain dormant for all recorded history, watched over by the alien Jzat. Now, rogue elements in Jzat and human society conspire to activate it, hoping it will bring them power and