The Dwellers Beneath — Mary Arrigan

When Miriam's father loses his job, the family moves to a less well-off area. She hates the noisy and undisciplined atmosphere of her new school, but she eventually teams up with an unlikely trioâ€"Harry, Latisha and Lou. Suddenly the new friends become involved in a life-threatening adventure that uncovers the mystery of the missing children and the secret, dangerous world of the Dwellers Beneath. A story for teenagers with a strong contemporary theme. This book won the White Ravens Award in 1997.