The Child They Didn't Expect (Harlequin Desire Series #2330)

Surprise—it's a baby! 

After their steamy vacation fling, Alison Carter knows Ronin Marshall is a skilled lover and a billionaire businessman. But a father…who hires her New Zealand baby-planning service? This divorcée has already been deceived once; Ronin's now the last man she wants to see. 

But he must have Ali. Only she can rescue Ronin from the upheaval of caring for his orphaned nephew…and give Ronin more of what he shared with her during the best night of his life. But something is holding her back. And Ronin will stop at nothing to find out what secrets she's keeping!