All over the world children are discovering they have magical powers - as Rachel did when she was abducted by the Witch Dragwena in THE DOOMSPELL. But the reason is that the evil Witches of the planet Ool are determined to avenge Dragwena's death by manipulating an army of children and fighting the good Wizards. Rachel's own powers, and the ability of her younger brother Eric to unmake magic, are tested to the full in a thrilling story in which she has to confront another child as strong as she is herself.