You can download Jasoosi Duniya Ibn-e-Safi jild number 24 in pdf format. It’s consist of one story “Zamen ke Badal” (urdu زمین کے بادل ).
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.