A gripping ghost story from Britain's best-loved children's storyteller, full of friendship, adventure and a pirate queen. 'You're not . . . you're not Grania O'Malley, are you?'

'Who else would I be?' she said.

Everyone knows the Big Hill is full of gold, and now the islanders are intent on cutting the top off it and making themselves rich. Jessie and Jake are determined to save the Big Hill but what can they do? A plan is needed, and fast.

Could the ghost of Grania O'Malley, the pirate queen, be the answer? You don't know what you can do until you try.

Michael Morpurgo has written more than one hundred books for children and won the Whitbread Award, the Smarties Award, the Circle of Gold Award, the Children's Book Award and has been shortlisted for the Carnegie Medal four times.