The first Kushiel trilogy by Jacqueline Carey. Not because they were badly written or anything, far from it. Carey is an incredible writer. The storyline and characters were wonderful. It's just that ...they were kind of smutty, lol. Downright kinky, to be honest. I wouldn't recommend them to my mother, or even a teenager. I probably wouldn't recommend them to anybody unless I was sure the person wouldn't get uncomfortable or offended by- shall we say... alternative intimate practices.