Much better than I expected, which was just erotica. Instead there were great characters in Ansel and Mia as well as hot scenes and an interesting set up (though Las Vegas was a bit of stretch). The relationship was mostly just sex, yes, but the writers pay attention to setting (Paris, nicely done) and friends (funny, interesting ones) and dialogue.... And while the relationship doesn't develop much from beginning to end there are lots of creative scenes (like all the odd, but charming role-playing they do). The book gets a little repetitive after awhile, but it's also memorable and entertaining.