A wild and evocative fantasy, stylishly told, with a tremendous romantic appeal * Observer * Altogether an invigorating book, in whihc the wit and nonsense make such a sparkling fizz together that it is hard to tell one from the other * Times Literary Supplement * One genuine small masterpiece. Almost a copy-book lesson in those virtues that a classic children's book must possess * Time Magazine * Joan Aiken is a marvel -- Philip Pullman * Guardian *