This could be the merger of a lifetime 

The holidays are over, but Allison Caldwell can't stop thinking about the kiss she shared with Nathan Garrett under the mistletoe. The dazzlingly attractive playboy she's secretly crushed on for years isn't just off-limits because he's out of her league; the heir apparent to the Garrett furniture empire is about to be crowned CFO—and the single mother's new boss! 

One night changed everything for Nathan. And now his executive assistant is strictly hands-off despite their intense physical attraction. Besides, Allison has a son, and Nathan's no family man. Then why is Nathan's head suddenly filled with fantasies of being a father? Perhaps this once-happy bachelor won't be single for long…