Title: Christmas with a billionaire
Description: Billionaire under the Mistletoe by Carole Mortimer. 

When softhearted Sophie pulls off a last-minute Christmas miracle for a family in crisis, she wins the gratitude--and heart--of wealthy Max Hamilton. But at what cost? 

Snowed in with Her Boss by Maisey Yates. 

Dutiful Amelia is stranded on Christmas Eve. (Bad.) She's at a five-star Aspen resort. (Good!) She's posing as her handsome boss's girlfriend. (So bad it's good!) But is she pretending...or practicing with Luc Chevalier? 

A Diamond for Christmas by Joss Wood

Headstrong Riley's holiday run-in with hot gemstone tycoon James Moreau is unsettling to say the least. But she soon discovers that the only thing better than resisting temptation is finally giving in?
Subjects: Billionaires, Man-woman relationships, Christmas stories, Fiction, Fiction, romance, contemporary, Love stories, American Romance fiction