September misses Fairyland and her friends Ell, the Wyverary, and the boy Saturday. She longs to leave the routines of home, and embark on a new adventure. Little does she know that this time, she will be spirited away to the moon, reunited with her friends, and find herself faced with saving Fairyland from a moon-Yeti with great and mysterious powers.

Here is another rich, beautifully told, wisely humorous and passionately layered book from New York Times bestselling author Catherynne M. Valente.