Dispatch to Death — Martha Miller

Cabdriver Trudy Thomas picks up a fare one fateful day, the beautiful and mysterious Anita Alverez. The next thing she knows, the dispatcher at her cab company is killed in cold blood, and Anita starts looking pretty suspicious. Despite her best intentions, Trudy is irresistibly drawn by Anita into an intrigue of drug running and shady politics. But if Trudy doesn't save Anita, who will?