Excellent Book on the end result of the Avant Garde

http://books.google.com/books?id=BJYcB8ZttSIC&pg=PA15&lpg=PA15&dq=The+End+of+American+avant+garde&source=bl&ots=wZK5uYcL26&sig=OPZoRU_AUCE3keJNFr7Z89yzeI0&hl=en&ei=MDeySqiwHI6G6APE5NXnCQ&sa=X&oi=book_result&ct=result&resnum=5#v=onepage&q=&f=false