My Favorite Half-Night Stand (original) Christina Lauren

Millie Morris has always been one of the guys. A UC Santa Barbara professor, she’s a female-serial-killer expert who’s quick with a deflection joke and terrible at getting personal. And she, just like her four best guy friends and fellow professors, is perma-single.

So when a routine university function turns into a black tie gala, Mille and her circle make a pact that they’ll join an online dating service to find plus-ones for the event. There’s only one hitch: after making the pact, Millie and one of the guys, Reid Campbell, secretly spend the sexiest half-night of their lives together, but mutually decide the friendship would be better off strictly platonic