Psammead trilogy

When four brothers and sisters discover a Psammead, or sand-fairy, in the gravel pit near the country house where they are staying, they have no way of knowing all the adventures its wish-granting will bring them.

When Cyril, Anthea, Robert and Jane find the Psammead, a magical sand fairy, in a pet shop in London, they have no idea that they are about to embark on their greatest adventure yet. The Psammead leads them to an Egyptian amulet that has the power to grant whatever their hearts desire. The problem is that the amulet is broken and the other half - needed if their wishes are to be granted - is lost. Yet, with their half of the amulet able to transport...