The Kite Runner

I have bought this book for a few month,but until today I finish it.
Actually,I don't like Mid-East literature very much because it is so real,violent,full of blood,and something bad like rape happen all the time that I feel uncomfotable.That is why I postponed to read it ,although I listened to my friend's recommendation to buy this book.
When I read the book,I can imagine that two boys play together,having a good time in their childhood until the tragedy happened to the character's friend because of the character 's jealousy and desire to his dad's love and a series of war broke out.
The regret became the part of character's life,although he thought the memory would flow away by the time.He didn't know that it influenced all his world.At the end this regret brought him back to his hometown to make expiation for his guilt and also get the explanation to everything.
Isn't it a kind of age and cultural tragedy?