Acknowledgements
First I would like to thank my wife Mary for her encouragement, patience and helpful suggestions. My gratitude also extends to Dr Ian Bradley, Geordie Burnett Stuart, Richard Demarco, the Earl and Countess of Dundee, the Earl of Glasgow, Professor John Haldane, Michael and Veronica Hodges, Edward James, Henry and Ruth James, Viscount Kelburn, Yvonne Mallett, Dr Roy Oliver, Professor and Dr Anna Patterson, Professor Nick Roe, Dr Jane Stabler, Andrew and Sarah Williams, and Percy and Isabel Wood. All have offered suggestions and enlightenment.
I would also like to thank John Forster the archivist at Blenheim Palace and Greg Colley of the Bodleian Library for their assistance, as well as the staff of the British Library, the National Archives, the National Archives of Scotland, the National Library of Scotland and St Andrews University Library. Guidance and support have come from my agent Andrew Lownie, and Steve Guise, Iain Hunt, Tim Whiting and Richard Beswick of Little, Brown for which I am grateful.
Material from the Blenheim Palace archives appears by kind permission of His Grace the Duke of Marlborough.