Another complete book of Celtic capers and Welsh witchy wonder brimming with cats, magic, mystery and ... scarecrows. It's an exciting summer in the small town of Llanfair. There's a scarecrow festival and Maddie's mother, Ceri, has come to revisit the place where she grew up.Except there was a reason she left for America all those years ago, and that reason hasn't gone away. Well, not exactly. It has changed, however, and gone underground.Literally.Now...