Natur yn Galw - Ysgrifau Byd Natur
How many different species of bats are there in Wales? When was the wren hunted? Which tree keeps witches away? The author Twm Elias is a familiar voice on the early morning Saturday Radio Cymru programme 'Galwad Cynnar', sharing his knowledge about the wonders of the natural world. 85 black and white images and 2 maps.