Zenith by Sasha Alsberg and Lindsay Cummings. From Goodreads: Most know Androma Racella as the Bloody Baroness, a powerful mercenary whose reign of terror stretches across the Mirabel Galaxy. To those aboard her glass starship, Marauder, however, she’s just Andi, their friend and fearless leader. But when a routine mission goes awry, the Marauder’s all-girl crew is tested as they find themselves in a treacherous situation and at the mercy of a sadistic bounty hunter from Andi’s past. Meanwhile, across the galaxy, a ruthless ruler waits in the shadows of the planet Xen Ptera, biding her time to exact revenge for the destruction of her people. The pieces of her deadly plan are about…