Conquest: Star Force, Book 4

In "Conquest," the fourth installment of the Star Force series, the interstellar war between living beings and machines escalates as Kyle Riggs battles to protect humanity from the vengeful Macros he has recently freed Earth from. Now deemed a threat by those he once fought alongside, Riggs must confront the existential crisis facing Star Force as the specter of annihilation looms. With trust shattered and enemies closing in, he must devise a plan to survive and fend off the machine invaders once again.