What is the author's style in A Storm of Swords by George R.R. Martin?

A Storm of Swords by George R.R. Martin is a fantasy novel, the third in the series, preceded by A Clash of Kings. The author's style is that of a sweeping saga of epic proportions. He writes from the perspective of many characters and so the rich tapestry of the tale is told from many viewpoints and depths of experience. Each character has a unique perspective as well as a way of speaking and acting.