"the god delusion" Richard dawkin

Read this book:

http://books.google.co.in/books?id=yq1xDpicghkC&printsec=frontcover&dq=the+god+delusion&hl=en&ei=wNFwTNTYN4vOvQPitahC&sa=X&oi=book_result&ct=result&resnum=1&ved=0CDMQ6AEwAA#v=onepage&q&f=false