Story of the Amulet

At the end of Five Children and It the five children promised not to ask the Psammead for another wish as long as they lived, but expressed a half wish to see it again some time. They find ''it'' again in a pet shop in Camden Town, and their magic adventures start over again.

''It'' leads them to a magic amulet - half of it actually - which they use it to try and find the other half. It takes them ...