Book that's come in handy a few times this week

Andrew Harris book has saved me a few times during this project 

 http://books.google.ca/books?id=rkOQOIi944IC&pg=PA249&lpg=PA249&dq=pygame+label+as+sprite&source=bl&ots=60ShcpXTlO&sig=0Qqn-x8G80C_yTsZ5LhSo5QAIkM&hl=en&ei=QNhzTp31EfDOiAL_j9WzAg&sa=X&oi=book_result&ct=result&resnum=3&ved=0CCIQ6AEwAg#v=onepage&q=pygame%20label%20as%20sprite&f=false