A Clash of Kings is the second of seven planned books in A Song of Ice and Fire, a fantasy series written by George R. R. Martin. It was first released on 16 November 1998 in the United Kingdom, but the first United States edition did not come out until March 1999. It won the Locus Award in 1999 for Best Novel and was nominated for the Nebula Award in 2000 for Best Novel.