You can download Science Aur Shairi Jamaliyaat ( Urdu سائنس اور شعری جمالیات) ( English: Unweaving The Rainbow ) by Richard Dawkins & translated by Muhammad Arshad Razi free in pdf format.
About Richard Dawkins
Clinton Richard Dawkins FRS FRSL is an English ethologist, evolutionary biologist and author. He is an emeritus fellow of New College, Oxford, and was the University of Oxford’s Professor for Public Understanding of Science from 1995 until 2008.