Kadavera, the witch, was dead. This should mean a celebration, but for nine-year-old Hugo, his schoolmate, Emma and their strange magical friend, Bird, it is the start of another dangerous adventure. Her death has precipitated the regeneration of not just one but both of her sister witches – and they are both far worse than she ever was.Conscripting the Cornish goblins, the witches capture the gnomes from the Gnome Reserve to use as guinea pigs in their experiments to be able to exist in daylight. This would allow them to fulfil their dying vow; to kill and destroy all those and their descendants, who were responsible for their own and their mothers' unjust execution 300 years before. They are determined not to let anyone stand in their way, especially two interfering children and a stupid bird.A chance finding of a small amulet leads Hugo and his friends into realms of King Arthur and to the magic power of his sword, Excalibur. Emma receives some terrible...