There Before the Chaos (Farian War Series #1)

Hail Bristol: former runaway princess, interplanetary gunrunner, Empress of Indrana. When the Empire's closest ally asks her to intervene in a galactic military crisis, she embarks on the highest stakes diplomatic mission Indrana has ever faced. Caught between two powerful alien civilizations at each other's throats, Hail has one chance to make peace before all of humanity becomes collateral damage in a full-blown galactic war. There Before the Chaos begins a fresh pulse-pounding space-opera series from an exciting new voice in science fiction.