All Fall Down by Ally Carter 320 pages

When Grace was thirteen, she witnessed the death of her mother. Everyone believes that she died because of a fire, but Grace is adamant that her mother was killed by a man with a scarred face. When Grace moves to Embassy Row to live with her grandfather, she believes that she has found her mother's killer, but no one believes her. Not her grandfather, her new friends, or Alexei, the boy Russian boy next door. When Grace starts to follow the scarred man, she discovers things about herself that she is not ready to face. Grace confronts her grandfather but he keeps declaring that her mother's death was an accident. She finally learns the truth about her mother's death. 

This was read by Eileen Stevens.