Fern King is about to uncover a place she could not have imagined in all her wildest dreams. Annwn: an enchanted, mysterious kingdom that feeds our own world. But Annwn is as full of dangers as it is wonders. Something dark is jeopardising its peace and stability, something that must be rooted out at all costs. The danger lurking inside our sleep is more insidious and terrifying than any nightmare. Because if you can influence someone's dreams, you can control their thoughts ... The first novel in a lyrical, endlessly inventive urban fantasy trilogy