One Day Magic Series Drishti Combo Set Of 5 Books ( Itihas Avam Kala Sanskriti ) ( Bhugol Avam Pryavaran ) ( Bhartiye Samvidhan Avam Rajvyavstha ) ( Earthvyavstha/ Earthshastra ) ( Samanye Vigyan Avam Prodhogiki )(Paperback, Hindi, Drishti Publication)