Little is known about the secret political adviser known as the Man in the Room Next Door - only a handful of people know his real name - but this explosive journal and collection of his correspondence offers a startling insight into his life. It reveals the elusive organisation that employs him, as well as reams of information about working with clients such as Boris Johnson, Prince Andrew and Donald Trump. From leaked documents to illicit communications, and day-to-day notes on the treacherous world he inhabits, 'The Secret Political Adviser' is a window into the world of the most influential political adviser on the planet.