The 4-2-3-1 is the favored formation of many top teams in world soccer at both club and national team level. This fluid, attack minded system has come to the forefront thanks to its success at the highest levels. Most notably, Spain utilized the 4-2-3-1 in winning both the 2008 European Championship and the 2010 World Cup. Top club sides Arsenal, Real Madrid, Inter Milan and Bayern Munich have also had success with the system. In this book, Wayne Harrison breaks down the 4-2-3-1 and discusses the principles, player roles and responsibilities, variations and adjustments based on the opponent´s strategy.