Sara Orwig 
Lone Star Love Affair [EPUB ebook] 

Isabelle Smith isn't surprised—or insulted—that her new boss, Texas tycoon Tony Ryder, doesn't remember her. Their night of passion was so long ago…. And when he takes over her company, she vows to stay only as long as he never uncovers the truth.But then he does.The man who always gets his way makes her an offer she can't refuse. Still, Isabelle won't mix business and pleasure without a wedding ring—and Tony isn't a marrying man. Which means they're both in for the most passionate negotiation of their lives!