The Purchased Wife (Harlequin Presents, No. 2358)

Xander Pascalis can buy anything...including a wife! At millions of dollars, Helen is lavishly expensive. But Xander thinks he knows a good deal when he sees one....However, when Helen refuses to share his bed, Xander is forced to take his headstrong wife to his private Greek island to tame her into keeping her marriage vows. He wants value for money: she will give him the wedding night that, so far, she's denied him....