Children and Young People who Sexually Abuse Others: Current Developments and Practice Responses (2nd edn),Marcus Erooga and Helen Masson (eds),Abingdon, Oxfordshire, Routledge, 2006, pp. xxii + 304, ISBN 0415 35412 9, 80.00 (hbk), ISBN 0415 35413 7, 22.99 (pbk)