Rocket's Island

When an eccentric old Mary Mac's house is destroyed she comes to stay at the Knot. Jade discovers that she is the ancient Queen of the Fairies and when the children's most precious possessions starting to disappear mysteriously, Mary is delighted. Many years ago she told the fairies they could live with her but now her house has gone they are lost and disorientated and it seems one of them has turned to thieving!