Dragon Samagra is a Bengali language detective story-book that was written by the prominent Bengali language writer Swapan Kumar. Detective story readers can read this book, I can assure you that it will be an interesting book for you. It will be also an astonishing book for them who are like to read science fiction stories. This book has a total of two parts and these are added below. If you read it online you can start your online reading right now. Else collect the PDF copy.