Lynne Graham 
Petrakos Bride 

An innocent office temp stumbles into the life of a Greek tycoon-and into his bed-in this classic romance by a USA Today-bestselling author.Maddie idolized Giannis Petrakos, who had lavished money on the charity that had cared for Maddie’s twin sister-and was also sinfully gorgeous. Now Maddie has a lowly job at Petrakos industries. Soon Giannis demanded she be his mistress, for as long as he wanted her. Because when Giannis finally married, he wanted a wife more suited to his wealth and class. . . . Originally published in 2007.