An Easy Death(2018)

Charlaine Harris

In the southwestern country now known as Texoma, this is a world where magic is acknowledged but mistrusted. Battered by a run across the border to Mexico, gunslinger Lizbeth Rose takes a job offer from a pair of Russian wizards.

She may be young, but Gunnie Rose has acquired a fearsome reputation and the wizards are at a desperate crossroads, even if they won't admit it. They're searching frantically to locate the only man whose blood they believe can save their tsar's life.

A powerful enemy sends enemies who want their mission to fail. The trio are set upon by a powerful force does not want them to succeed in their mission. Lizbeth Rose is a gunnie who has never failed a client, but her oath will test all of her skills and resolve to get them all out alive.