Untamed (New York Unraveled #1)

This is the first novella in a series of five based in the city of New York. It revolves around Nathan Black, a sexy billionaire and his new secretary, Karen Black. Neither of them want to be falling for the other, and definitely not into each other's bed, considering they work together and all. Can they control their attraction towards each other? This is strongly for those above the age of 18.