Guardian's Forbidden Mistress

He couldn't resist her innocence. . . Nick Coleman was one of Sydney's most eligible billionaires. Love 'em and leave 'em-that was Nick's mantra. But he couldn't do that to Sarah; he had promised he would act as her guardian and protect her. Yet he wanted her, badly. . .Sarah was soon to claim her inheritance. She'd be a sitting duck to predators looking for a rich, innocent girl. Perhaps it was Nick's responsibility to personally teach her how wicked and seductive a man could be. . . .