You can access the SparkNotes for "The Kite Runner" by Khaled Hosseini for free by going to SparkNotes.com and searching for "The Kite Runner." You can also purchase physical copies of the SparkNotes at Barnes and Noble or Amazon.com.
SparkNotes also offers a free mobile app for iPhone and Android so that you can access SparkNotes study guides from anywhere in the world. The SparkNotes for "The Kite Runner" break the book down to sections of two or three chapters each. The goal of SparkNotes is to supplement your reading to help you better understand any book. You should consult your teacher before using SparkNotes for academic purposes.