Tyrion Lannister is a book.
Tyrion Lannister . Introduced in 1996 's A Game of Thrones , Tyrion is a dwarf and member of House Lannister , one of the wealthiest and most powerful families in the fictional kingdom of Westeros . He subsequently appeared in Martin 's A Clash of Kings ( 1998 ) and A Storm of Swords ( 2000 ) . Tyrion was one of a few prominent characters that were not included in 2005 's A Feast for Crows , but returned in the next novel A Dance with Dragons ( 2011 ) . In the story , Tyrion uses his status as a Lannister to mitigate the impact of the marginalization and derision he has received all of his life -- even from his own family . He first saves his own neck from the vengeful Catelyn Stark and her sister Lysa Arryn , then is tasked by his father Tywin to impose order on the capital of King 's Landing -- as well as his nephew Joffrey , the new king -- as civil war is sparked .