i dont know if it is sold in Doha.Think the best thing is to order it through an online shop.I buyd it here in Switzerland.
And yes,give it a try.It is fantastic and you can stop reading till you arrived on the last page.This one i have has 310 pages and i finished it in 3 hrs.
:-D

*Create your own destiny,fighting against your dark sides,raise your
spirituality.Every day is a new day.A new life.
Keep the faith!*