There before the chaos
(Book)

Hail Bristol, infamous galactic gunrunner and former runaway princess, avenged the murder of her entire family and cleansed the Empire of usurpers in a bloody civil war. She throws herself into the rebuilding of her Empire. When Indrana's closest ally asks Hail to intervene in an interstellar military crisis, she embarks on the highest stakes diplomatic mission the Empire has ever faced. Caught between two alien civilizations at each other's throats, she must uncover each side's true intentions before all of humanity becomes collateral damage in a full-blown galactic war. -- adapted from information provided.