Chapter 22 is about the trayectory of Amir searching Sohrab. The book and the movie explain the same , but is a fact that the books are more detailed. In both of them the clothing description is the same , the costume , thbe turban and the fake beard of Amir . The book description of Farid , is the same as he appear in the movie . In some parts of the movie they have the exact same dialogue of the book . But a slight difference is the fact tha Sorhab was wearing a mask in the book , when Amir reach Assef headquarter , but in the movie dont.