Learn the 25 keys to a great business plan, including writing the company's mission, identifying market opportunities, calculating appropriate financial ratios and projecting growth rules, that will help guide your company's expansion and attract necessary financing.The New York Times Pocket MBA Series is a 12-volume reference tool for all businesspersons. Each volume, written by professors from top graduate business schools and edited by The New York Times business editors, presents 25 key principles of specific areas of business expertise. The 12-volume series includes: