### Instruction:
Who wrote Howl's Moving Castle?

### Input:
Howl's Moving Castle is a fantasy novel by British author Diana Wynne Jones, first published in 1986 by Greenwillow Books of New York. It was a runner-up for the annual Boston Globe–Horn Book Award, and won the Phoenix Award twenty years later. It was adapted into a critically acclaimed 2004 animated film of the same name, which was nominated for the Academy Award for Best Animated Feature.

### Response:
Howl's Moving Castle is a fantasy novel by British author Diana Wynne Jones.