In writing this book we received help from a number of people. We would like to thank in particular David Althus, Kier Ashton, Cate Banks, Robert Burrell, Jeremy Hopgood, and Katie O'Rourke for help with the research; Robert Burrell, Bill Cornish, Shaun McVeigh, Alain Pottage, Alain Strowel, Julian Thomas, Adam Tomkins, and Leanne Wiseman for reading and commenting on drafts; Virginia Catmur of Cambridge University Press for copy-editing the typescript; and King's College Research Strategy Fund and the Institute of Advanced Legal Studies External Research Fund for ®nancial support