Iron Dove. Judith Leon

They called her the Dove–her gentle beauty concealing a will of iron. But former agent Nova Blair never wanted to return to the world of spying. She'd started a new life…until her former partner came to her with a mission she couldn't refuse. Terrorists had threatened to release a deadly strain of the Ebola virus that could wreak global devastation. Going back to the shadowy, seductive life of an international spy was the price she would pay to save millions of lives–but could Nova save her soul, too?