“Invasion” is a science fiction novel, the first book of the eponymous cycle, in the genres of military science fiction and space opera. He woke up to the wail of sirens on the scientific and research space ship “Klauswitz.” There was nobody around. His comrades were dead. The ship’s crew had disappeared. And something huge—clearly hungry—was already clawing at the door in the neighboring compartment. A regular civilian’s instinct would be to put a bullet in their head and stop suffering, but the experienced CHVK “Kelt” operative isn’t going to surrender just like that. Especially since the reliable “Missy” pulse rifle is in his hands, and his armor suit has already been on after passing the fire and water trials. Whatever waits ahead, it will regret boarding this ship…