The latest, hilarious novel from bestselling author David Walliams is now available in paperback. Do you dare to make an appointment...? Darkness has descended upon the city. Strange things are happening in the dead of night. Children leave a tooth under their pillow for the tooth fairy, but in the morning they find instead... a dead snail; a live spider; hundreds of earwigs crawling and crawling under their pillows. Evil is at work. But who or what is behind this...? Read this book and find out!