On 17th June 1972 five men broke into the headquarters of the Democratic National Committee at the Watergate office building in Washington DC. That event - the circumstances which created it and the cover-up which followed - toppled Richard Nixon from the presidency of the USA.;This account of Nixon's removal from office is the result of a six-year investigation and contains previously unpublished material gathered from interviews, unreleased government documents, the Oval Office logs of Nixon's presidency and a cross-examination of the books and testimony of John Dean, Bob Woodward, Gordon Liddy, John Ehrlichman, Nixon himself and other major and minor figures in the Nixon administration.