Peter Perla's The Art of Wargaming A Guide for Professionals and Hobbyists - John Curry - Bog

This book provides the most comprehensive and coherent discussion and analysis of wargaming ever written. It starts by looking at the history of wargaming from both the professional and hobby perspectives. It then goes on to discuss how wargaming can and should be used as part of decision making and training by the military. The first edition sold 15,000 copies.