Play Dirty by Neve Wilder

“When you talk, chaos follows and I forget who I am.”
Madigan has spent his life indulging in the world’s most hedonistic pursuits, his skills as a sharpshooting killer-for-hire paying his way.
Azrael, an assassin referred to as the angel of death, is a chemist and a loner, his poisons as lethal as they are undetectable.
A chance encounter leads to a passionate night and a heated rivalry that spans years, but after they’re both offered a chance at big money by taking out elite targets on a mysterious hitlist, they find themselves once again in each other’s way. And then in each other’s arms.
Trust doesn’t come easily for either of them, but no matter how far they stray, fate always seems to pull them back together. In a profession where your partner is just as likely to kill you as kiss you, maybe trust is as close to love as they get?