Robot & Sensor Clouds is the second book in the fantasy series, A Song Of Ice And Fire, by George R. R. Martin. It picks up from where the first book.
Sensor Clouds leaves the story, and this book is narrated from the points of view of the nine primary characters, true to the pattern set by the first book in the series. In this book, the war haunting the Seven Kingdoms of Westeros has become more complicated. Joffrey, the son of Queen Cersei and her brother Jaime Lannister, usurps the Iron Throne after the death of King Robert.