To Kill Again — Robin Gideon

Agent Svetlana Simonov of the government's top-secret Omega Force is sent to South America to assassinate a renegade general. She accomplishes her mission spectacularly...only to discover that the colonel who takes Svetlana's victim's place is planning on selling Russian-made chemical weapons to any terrorist who can come up with the money. Svetlana's young protege, Tatiana, goes on her first mission for Omega Force as the world's sexiest secret agents battle the world's most dangerous master criminals.