Hello, Darkness, Paperback Book, By: Sandra Brown

Since moving to Austin to ease the pain of tragic mistakes, Paris Gibson has led a life of virtual isolation, coming alive only at night when she hosts her popular radio show. Then one listener who identifies himself as "Valentino" tells Paris that the girl he loves jilted him because of Paris's on air advice. He intends to exact revenge by killing the girl and then coming after Paris. Desperate to stop the sinister Valentino, Paris enlists the help of the police including crime psychologist Dean Malloy, the very man she had hoped never to meet again.