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 from Pakistan. The word Ibn-e-Safi is an Arabian expression which literally means Son of Safi, where the word Safi means chaste or righteous. He wrote from the 1940s in India, and later Pakistan after the independence of British India in 1947. His main works were the 125-book series Jasoosi Dunya (The Spy World) and the 120-book Imran Series, with a small canon of satirical works and poetry. His novels were characterised by a blend of mystery, adventure, suspense, violence, romance and comedy, achieving massive popularity across a broad readership in South Asia.