Product Description The second Demon Headmaster book.Everyone at school is playing the new computer game, Octopus Dare - but only Dinah is good enough to beat it. But she forgets who she is when she looks into the whirling eyes of the Octopus... What is happening, and how is the Demon Headmaster involved? And what will he do if he really does getinto the Prime Minister's Brain?* The best-selling series which inspired the top-rating television series* Author with sales of over a million books* Prize-winning author - winner of Smarties Prize, Whitbread Award and Carnegie Medal* Now reissued for the first time as a matching set, with eyecatching fluorescent covers and a sturdy sewn binding.* Gillian Cross lives in Warwickshire. About the Author Gillian Cross is one of Britain's most prominent children's authors. She has won both the major awards - the Whitbread Children's Novel Award and the Carnegie Medal - and many others.