Jaime Lannister is not a character in the Game of Thrones book.
Jaime Lannister is a fictional character in the A Song of Ice and Fire series of fantasy novels by American author George R. R. Martin , and its television adaptation Game of Thrones . Introduced in A Game of Thrones ( 1996 ) , Jaime is a knight of the Kingsguard and a member of House Lannister , one of the wealthiest and most powerful families in the fictional kingdom of Westeros .