Just read "The Immortal Highlander" by Karen Marie Moning. Adam Black - Yum :) ! Normally I prefer anti-heroes to the traditional "bad boy", but Adam Black 1st caught my interest in the 1st book in Moning's highlander series. In that book he was drop deady sexy, but such a jerk. I wanted to slap him a good one, and then kiss it and make it all better.
I liked this story, and the characters. Loved the hero and liked his character development. I could sympathize w/ the heroine. With the way Adam was invisible & etc. to humans (except heroine) it kinda had a ghost vibe to it - and I love stories w/ ghosts.