The Poison Daughter

In The Poison Daughter, every person Harlow Carrenwell kisses dies immediately, and that's the way she likes it. The poison-lipped youngest daughter of Lunameade's magical founding family has used her power to annihilate their opposition. Until one night Harlow kisses a mark and he doesn't die. Worse, her invincible partner in passion is her new betrothed, Henry Havenwood, and now he knows about her double life.