David Hume is widely considered to be the greatest British philosopher and his Enquiry Concerning Human Understanding is the most frequently studied of all his works - a key text in the study of empiricist thought. This is a hugely important and exciting, yet challenging, piece of philosophical writing. In Hume's Enquiry Concerning Human Understanding: A Reader's Guide , Allen Bailey and Dan O'Brien explain the philosophical background against which the book was written and the key themes inherent in the text. The book then guides the reader to a clear understanding of the text as a whole, before exploring the reception and influence of this classic philosophical work. This is the ideal companion to study of this most influential and challenging of texts.