Howl's Moving Castle is a young ault fantasy novel by British author Diana Wynne Jones, first published in 1986. It won a Boston Globe-Horn Book Award and was named an ALA Notable book for both children and young adults. In 2004 it was adapted as an Academy Award-nominated animated film by Hayao Miyazaki. A sequel, Castle in the Air, was published in 1990. A second sequel, House of Many Ways is due out June of 2008.