Millionaire's Misbehaving Mistress (Mills & Boon Modern Heat)

Top of the tycoon's agenda! As Dallas' most eligible bachelor, and heir to the family fortune, billionaire Will Harrison knows how to handle the paparazzi - but his little sister Evie is a worry...Miss Behaviour etiquette expert Gwen Sawyer has only three weeks to work her magic on Evie before a society ball - and is moved into Will's luxurious penthouse. However, she discovers too late that etiqu...