The World of Ice and Fire: The Untold History of Westeros and the Game of Thrones by George R.R. Martin is a lavishly illustrated companion book to the "A Song of Ice and Fire" series and the "Game of Thrones" TV show. This volume provides a comprehensive history of the Seven Kingdoms, featuring detailed accounts of epic battles, rivalries, and rebellions. It includes new material, full-color artwork, maps, and family trees for major houses.