The Art of War
By Sun Tzu
http:// classics.mit.edu/Tzu/artwar.html
Will help you understand how to WIN a WAR without firing a shot???
"Hence it is only the enlightened ruler and the wise mce-anchorgeneral who will use the highest intelligence of the army for purposes mce-anchorof spying and thereby they achieve great results.
Spies are a most important mce-anchorelement in water, because on them depends an army's ability to mce-anchormove. "