Boundaries. The key to how corporate lawyer Alexandra Knight manages her busy life. However, lately all her precisely drawn lines are getting blurred. Blame it on her out-of-control biological clock that is ignoring her single status…and on Ethan Stone.

Because her sexy, no-strings colleague has posed an outrageous solution to her dilemma—he'll be her baby daddy. This from the guy who avoids all commitment? Okay, so they're attracted to each other. Really, really attracted. But crossing the line from coworker to co-parent with Ethan could ruin Alex for all other men. After all, when you've had the best…