Ascherson, Neal, Stone Voices: The Search for Scotland
Crofts, Roger; Gordon, John and McKirdy Alan, Land of Mountain and Flood: The Geology and Landforms of Scotland (Birlinn, 2007)
Crofts, Roger and McKirdy, Alan, Scotland: The Creation of its Natural Landscape. A Landscape Fashioned by Geology (Scottish Natural Heritage, 1999)
McKie, Robin, Face of Britain: How Our Genes Reveal the History of Britain (Simon and Schuster, 2006)
Moffat, Alistair, Before Scotland: The Story of Scotland Before History