Once Upon a Full Moon — Helen R. Myers

WHEN AN IRRESISTIBLE MAN...
Why did women always complicate matters with their cockeyed, romantic notions? That's what Worth Harrison Drury IV asked himself as he drove through the snowy Boston streets....

MEETS AN UNATTAINABLE WOMAN...
Then a ragged urchin stepped in front of his car--and since the stubborn thing refused to see a doctor, Worth decided to take the ungrateful wretch home. But once the dirt was soaped away, Worth found that "Rocky" Grimes was actually a woman!

THE UNEXPECTED HAPPENS!
Suddenly, he saw the chance to create the ideal female. But Rocky wasn't in it for money; all she wanted was to teach one grumpy millionaire a lesson or two about love....