"""The seventh volume of the Wittgenstein corpus, which contains notes written at the end of his life.... Provides a straightforward guide to the thought of this most complex of philosophers."" -- ""Bookseller""""The volume is full of thought-provoking insights which will prove a stimulus both to further study and to scholarly disagreement."" -- Alan R. White, ""Philosophical Books""""All students of philosophy will want to read it. What it contains is his notes on knowledge and doubt, written in the last year and a half of his life, mainly in answer to G. E. Moore's articles on these subjects."" -- ""British Book News"""