The author would like to thank Martin Alexander, Gaynor Johnson, Andrew Priest, Len Scott, Michael O’Grady, Alaric Searle, Emma Whyte and Jake Widén for their helpful comments on portions of this book. Thanks are due to the anonymous referees for their comments on the proposal. My mother and late father helped to support my academic ambitions. The book is dedicated to Tracy, for her love and support. Any flaws of this work are entirely the author’s own responsibility.
Jonathan Colman Burnley, Lancashire, England January 2010