The Boss's Christmas Baby - Trish Morey

Tegan Fielding is supposed to be masquerading as her twin, not sleeping with her sister's boss! But James Maverick is too sexy to resist. She'll be his mistress—yet he doesn't know who she really is. The deception must end; Tegan is falling for the tycoon, and as Christmas approaches she has some news. How will James react when he finds his convenient mistress is expecting a special, seasonal delivery?

Mistletoe Not Required - Anne Oliver

This Christmas Olivia Wishart is determined to throw off the shackles of her past and have fun. And nothing says fun like a glamorous Christmas party! So, wearing a brand-new red dress and some seriously high stilettos, nervously clutching a glass of champagne, she's finally ready to start living life to the max…. Olivia had thought that pre-party nerves would be the only thing to get her heart racing…until a view even more spectacular than the glow of Sydney Harbor catches her eye. The drop-dead-gorgeous man with the steely black eyes is everything Olivia has ever wanted—and this Christmas she's not going to wait meekly under the mistletoe!

All the Trimmings - Lindsay Armstrong

To a relationship in which Brendan has always treated Merryn like a kid sister, add a Christmas celebration the two are forced to share. Garnish with all the trimmings!