The first in the thrilling and magical Worldquake Sequence from Scarlett Thomas, author of the bestselling adult novel The End of Mr Y. Featuring special powers, magical books and a secret world! IF YOU HAD SECRET MAGICAL POWERS, HOW WOULD YOU KNOW? After the Worldquake, Effie knows about magic - time in her grandfather's library has made sure of that. But there's still much she has to learn. About the Otherworld. And about the Diberi, a secret organisation with plans to destroy the entire universe. Effie and her school-friends are the only ones who can stop them . . . and time is running out.