The Girl With the Key — Mary Kay Simmons

Who would want to kill a nice girl like Linda? Linda was sure that someone in Manhattan was trying to kill her. But no one would believer her. Not the police, who clearly thought she was crazy. Not her boss, who shook his head sadly. Not her best friend, Betty, who couldn't believe anything evil about anybody. Only Jim Roglan, a handsome stranger who had recently moved into a neighboring apartment, showed a sign of listening to Linda. He was the one person in the world who offered to protect Linda -- and the one person she feared the most...