Part of a series of guides following key figures and themes, this book looks at the life and work of John Muir, Man of the Millennium in the US and a trailblazer of world conservation. It features information on the trusts and organizations continuing his work, boasting thousands of members in Britain and the US, and draws on his books, articles, letters and diaries. The authoress is an authority on Muir and a world traveller who set herself on the trail of John Muir in order to write the book, and the book includes insights into a hero of world conservation.