 Call Me Dave: The Unauthorised Biography of David Cameron is a 2015 book by  the 74th richest person in the UK, as ranked by what?
Call Me Dave: Call Me Dave: The Unauthorised Biography of David Cameron is a 2015 book by Michael Ashcroft, a businessman and Conservative peer, and Isabel Oakeshott, a political journalist, about the then Prime Minister of the United Kingdom, David Cameron. Michael Ashcroft: Michael Anthony P. Ashcroft, Baron Ashcroft, (born 4 March 1946) is a businessman, and politician. Michael Ashcroft:  Ashcroft founded Michael A. Ashcroft Associates in 1972 and is the 74th richest person in the UK, as ranked by the "Sunday Times" Rich List 2015, with an estimated fortune of £1.32 billion.
"Sunday Times" Rich List 2015