1312411
9781572435834
The Ultimate Authority The Official Rules of the NFL is the essential resource for serious fans of the game. The National Football League determines these official rules, which govern every play on the field. This "Game Action Edition" is your definitive source for the rules of the game!Upson, Larry is the author of 'Official Playing Rules of the NFL 2003-2004' with ISBN 9781572435834 and ISBN 1572435836.
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