<P>Wittgenstein is one of the most important and influential twentieth-century philosophers in the western tradition. In his Philosophical Investigations he undertakes a radical critique of analytical philosophy''s approach to both the philosophy of language and the philosophy of mind. <EM>The Routledge Guidebook to Wittgenstein''s Philosophical Investigations</EM> introduces and assesses:</P><UL><LI>Wittgenstein''s life</LI><LI>The principal ideas of the Philosophical Investigations</LI><LI>Some of the principal disputes concerning the interpretation of his work</LI><LI>Wittgenstein''s philosophical method and its connection with the form of the text.</LI></UL><P>With further reading included throughout, this guidebook is essential reading for all students of philosophy, and all those wishing to get to grips with this masterpiece.</P>