A stone army, an enchanted castle, mysterious ancient powers - and some very clever tortoises - Olly finds there's more than meets the eye at Gullywith. When his family move to Gullywith Farm in the Lake District, Olly just can't imagine being happy in his new home. Gullywith is the coldest house in the world and no one has lived there for years. Then Olly meets KK and she tells him locals won't go near the place. It does seem to be jinxed - the roof falls in, walls collapse but even more strangely, Olly notices that there are stones at Gullywith that can move around of their own accord - stones with ancient markings on them. He feels sure that they are angry about something.KK takes Olly to see the mysterious Nonny Dreever to ask his advice and he tells them they must return the stones to Withern Mere. As they search for the answer to Gullywith's secret, Olly is drawn into a world of myth, magic and midnight adventure deep inside the surrounding hills. What is the ancient power that controls the stones and can anything be done to end their hold over Gullywith? Susan Hill deftly weaves a tale of real life and enchantment to delight young readers.