Nightshade crown novels

"When Lore was thirteen, she escaped a cult in the catacombs beneath the city of Dellaire. And in the ten years since, she's lived by one rule: don't let them find you. Easier said than done, when her death magic ties her to the city. Mortem, the magic born from death, is a high-priced and illicit commodity in Dellaire, and Lore's job running poisons keeps her in food, shelter, and relative security. But when a run goes wrong and Lore's power is revealed,...