You can download Shumal Ka Fitna (urdu شمال کا فتنہ ) by Ibne Safi free in pdf format.
About Ibn-e-Safi
Ibn-e-Safi (also spelled as Ibne Safi) (Urdu: ابنِ صفی) was the pen name of Asrar Ahmad (Urdu: اسرار احمد), a best-selling and prolific fiction writer, novelist and poet of Urdu. He is known globally for his fabulous Urdu spy novels of Imran Series and Jasusi Dunya.