Initially released as part of Free RPG Day 2008.
From the back of the book:
For years, readers have thrilled to the saga of Westeros as told in George R.R. Martin's best-selling A Song of Ice and Fire series, riveted by the unfolding story of the struggle for the Iron Throne of the Seven Kingdoms and the many lives and families caught up in it.
Now you can tell your own tales of Westeros and play the game of thrones in a Song of Ice and Fire Roleplaying. This Quick-Start has everything you need for an exciting adventure of knights, bandits, and the start of a journey to the heart of intrigue, the city of King's Landing! In its pages, you will find complete quick-start rules for how to play the game, six ready-to-play sample characters, and the introductory adventure story "Journey to King's Landing". All you need are some six-sided dice and you are ready to play!