The pleasure boat - Ginnie Bond

He held Rosina tightly, her pink skin pale against his ebony blackness. As she relaxed, he smacked her naked bottom, whispering, 'That was your first lesson, miss. Now - are you going to be good?'
She smiled demurely and shook her head. 'With punishment like that, I'm going to be wicked for ever.''

When young, attractive, woman-about-town Rosina del Gardo saves Woo San, a nineteen-year-old Hong Kong girl, from an arranged marriage, she gets more than she bargained for. Under threat and hunted by the spurned fiance's family, the pair escape on a cruise ship.
However, it's not only nice girls who love a sailor, and soon Rosina and Woo San are embarking on a wild manhunt of their own. Setting sail to escape peril, they are delighted to discover danger of a different kind ... one to be embraced, as they find themselves bound for paradise.