David Hume is widely acknowledged as the greatest philosopher to have written in the English language. His 1739/40 A Treatise of Human Nature is commonly regarded as his masterpiece. It is a profound work of great ambition, seeking to reorient philosophy by establishing a 'science of human nature'. Following the structure of the original work closely, The Routledge Guidebook to Hume's A Treatise of Human Nature provides a clear and accessible introduction to its key themes, and explores: the lasting philosophical significance of the work the association of ideas in the Humean mind the two central themes of scepticism and naturalism the unity of the three original volumes Written for readers approaching Hume's seminal work for the first time, this guidebook includes a helpful overview of the text, chapter summaries and further reading throughout. It is an essential introduction for undergraduate students studying the history of modern philosophy, and all those who wish to engage more deeply with this classic work.