Top ten dystopian novels for teenagers

In 2007 Gemma Malley complied a top 10 list of dystopian novels for teenagers for the Guardian.One title on the list:Lord of the Flies by William GoldingA must read for all teenagers (and their parents) - Lord of the Flies is as relevant now as it was when it was written in the 1950s. A plane crash leaves a group of schoolboys stranded on a desert island - and what starts as a survival tale soon