'A wonderful book with buckets of warmth, wisdom and charm’ Megan Hopkins, author of Starminster In the village of Greeth-Under-Edge, magical creatures are causing chaos. A green-toothed hag lurks in the river, a nest of gnomes are up to no good and a scatter of salamanders threaten to set everything on fire. Creirwy and Morfran, trainee sorcerers, have been sent to banish the creatures by brewing an almost impossible potion. To collect the ingredients, they’ll need to go on an adventure with dangers at every turn. But as the twins journey through a moon fairy forest, into a hag’s watery lair and to the top of a giant’s beanstalk, they find that the most powerful magic is not always where you’d expect …