Demon in White: The Sun Eater: Book Three

Hadrian has been serving the Empire in military engagements against the Cielcin, the vicious alien civilization bent on humanity's destruction. After Hadrian and his Red Company achieve a great victory, a cult-like fervor builds around him. However, pressures within the Imperial government scared of his rise to prominence result in an assassination attempt, luckily thwarted.

With the Empire too dangerous to stay, Hadrian and his crew leave for a massive library on a distant world. There, he finds the next key to unlocking the secrets of the Quiet: a set of coordinates for their origin planet, unnamed and now lifeless. Hadrian's true purpose in serving in the military was to aid his search of a rumored connection between the first Emperor and the Quiet, the ancient, seemingly long-dead race linked to so many of Hadrian's extraordinary experiences.

Will this mysterious lost planet have the answers?