Universe of Stone: Chartres Cathedral and the Triumph of the Medieval Mind. Philip Ball

Philip Ball is a freelance writer and a consultant editor for the world's leading science journal Nature. He is a regular commentator on the interactions between science, art, history and culture. His previous books include Bright Earth: The Invention of Colour, H2O: A Biography of Water and Critical Mass: How One Thing Leads To Another, which won the 2005 Aventis Prize for Science Books.