Daddy by Design (Harlequin American Romance, No. 742)

WHO'S THE DADDY?IT'S A…DADDY?NAME: Dillon K. McKeon 6', 180 lbs.HAIR: To run your fingers throughEYES: That see right through youDISTINGUISHING CHARACTERISTICS: Bad-boy style with good-guy substanceFIRST WORDS: "Catch ya later, babe"Dr. Dillon McKeon had a reputation with lots of women, but he'd only ever loved one—Harper Harriman. So when he was handed twin baby girls who just might be his, his one thought was Why didn't Harper tell me?Harper agreed to be the babies' nanny, but denied being their mother. Still, the long nights together gave Dillon plenty of time to see two things: that he'd never stopped loving Harper, and that she was hiding something from him…. Was she the babies' mother…and more important, was he their father?