There is hardly a Bengali reader unfamiliar with Syed Mustafa Siraj?s iconic sleuth Karnel Niladri Sarkar. A retired Army officer, Karnel Sarkar is an avid naturalist by passion and a detective by profession. Accompanying him are journalist Jayanta and occasionally, the retired inspector Haldar, who often finds himself and others in trouble due to his over-enthusiastic ways. ?Aro Ek Dojon Karnel? features eight thrilling mystery novels and four edgy stories.