<P>... not merely interesting and novel, but also exceedingly provocative and heuristically fertile." ¿The Review of Metaphysics</P><P>... essential reading for anyone interesting in... the new reader-centered forms of criticism." ¿Library Journal</P><P>In this erudite and imaginative book, Umberto Eco sets forth a dialectic between ¿open¿ and ¿closed¿ texts.</P>