The Imperial Guide to Stormtrooper Tactics

From the introduction:

For too long, Imperial tactics have relied on the use of overwhelming force to achieve victory. Unfortunately, the cowardly hit-and-run tactics employed by rebel terrorists in recent years have proven to be highly effective against our standard deployment tactics. Given enough time, an army of 1000 can be whittled away to nothing by the devious rebels. This is why we must adapt.