Models & Millionaires Series by Julia James

A mistress is for pleasure, not for marriage... Tycoon Markos Makarios thinks he has the perfect woman in Vanessa: she's beautiful, adoring, living only to please him. In fact, she's the best mistress he's ever had. Until he has to warn her not to think of marriage; a mistress is only for pleasure, after all. But Vanessa had believed she was his partner--not merely a plaything. Now Markos is about to learn the true price of the woman he's obsessed with.. moreA mistress is for pleasure, not for marriage... Tycoon Markos Makarios thinks he has the perfect woman in Vanessa: she's beautiful, adoring, living only to please him. In fact, she's the best mistress he's ever had. Until he has to warn her not to think of marriage; a mistress is only for pleasure, after all. But Vanessa had believed she was his partner--not merely a plaything. Now Markos is about to learn the true price of the woman he's obsessed with...and to discover there's something even his billions can't buy! less

DRAPED IN DIAMONDS ... Wearing the rare, priceless Levantsky diamonds is Anna Delane's most prestigious modeling assignment. But when the precious gems go missing, Anna is at the mercy of Greek tycoon Leo Makarios ... BLACKMAILED INTO HIS BED ... Leo believes that Anna is a common thief. He will do anything to get his jewels back! He has a plan: as the sun sets Anna will become his, and as it rises she'll be free to go. By then, her debt will have been repaid!