Return to the Moon

Harrison Schmitt (Apollo 18) recently wrote a book called "Return to the Moon". He outlines the need to go to the moon for mining and further exploration:

http://books.google.com/books?id=IerrQGC6S2YC&dq=Schmidt+and+return+to+the+moon&printsec=frontcover&source=bn&hl=en&ei=_9p2SvnYO5OQf9srnKBg&sa=X&oi=book_result&ct=result&resnum=4#v=onepage&q=&f=false

Here's Harrison Schmitt bio from Wikipedia:

http://en.wikipedia.org/wiki/Harrison_Schmitt