Audiobook Creatures of Old written by Veena Prasad. Ever wondered what the planet was like millions of years ago? What kind of creatures roamed the Earth? What trees grew in the prehistoric forests? Well, there is a way to find out—through palaeontology, a special science that is all about digging up and unscrambling clues to the past. 'Creatures of Old' is written by Veena Prasad.