This is the original USCA rule book (latest edition). If you 'compete' in American 6 Wicket tournaments, this rulebook should be with you. Many a game has been lost from either from lack of a firm reference or just not having learned what can and can't be done during a game. The rule book covers the current official rules for the 6 wicket USCA game. The extensive glossary will have you speaking croquet in no time.