Michelle Celmer 
One Month with the Magnate [EPUB ebook] 

Self-made Western Oil CFO Emilio Suarez is one of the richest men in Texas. And it's time to reap his reward when Izzie Winthrop—the woman who dumped him when he was just a maid's son—shows up on his doorstep. Now, the poor little rich girl needs his help, and he's ready to turn the tables.Widowed, broke and accused of embezzlement, his beautiful ex is desperate enough to become his maid for a month. Time enough for Emilio to exact his revenge—or to reignite the explosive feelings he thought he'd left behind?