Tyrion Lannister is a character in one novel.
A Clash of Kings is the second novel in A Song of Ice and Fire , an epic fantasy series by American author George R. R. Martin expected to consist of seven volumes . It was first published on 16 November 1998 in the United Kingdom , although the first United States edition did not follow until March 1999 . Tyrion Lannister ( also referred to as `` the Imp '' or `` the Halfman '' ) is a fictional character in A Song of Ice and Fire , a series of fantasy novels by American author George R. R. Martin , and its television adaptation Game of Thrones . He subsequently appeared in Martin 's A Clash of Kings ( 1998 ) and A Storm of Swords ( 2000 ) .