John Campbell is recognised as one of Britain's leading political biographers. In addition to Edward Heath, which won the NCR Award in 1994, his subjects have included Lloyd George (1977), F.E. Smith, Lord Birkenhead (1983), Roy Jenkins (1983) and Aneurin Bevan (1986). His most recent books are If Love Were All: The Story of Frances Stevenson and David Lloyd George, and Pistols at Dawn, published by Jonathan Cape in June 2009. He is currently writing the authorised biography of Roy Jenkins.

"Anyone who really wants to know what happened between 1979 and 1990 should read this book" -- John Rentoul Daily Telegraph "The best book yet written about Lady Thatcher" -- Frank Johnson Daily Telegraph "Superbly researched...unlike so many others is neither hagiography nor hatchet-job, and probably gets closer to the truth than any...magnificently told" Sunday Express "An enormously useful achievement...every twist and turn of her political life is here" The Times, Books of the Year "[A] thorough biography... brought together in a useful abridged paperback version... Campbell is a leading political biographer... Campbell's vivid account is easy to read" Financial Times