Inside the helmet

Just in time for the 2007 season: One of the finest defensive players ever to wear an NFL uniform delivers the first truly authentic, hard-hitting, revelatory portrait of America's most popular sport—including the brutality, the vicious fights, and the high price of gridiron glory.Michael Strahan is one of the NFL's most talented players, and he is also one of the game's most vocal personalities. So it's no surprise that his first book would be a no-holds-barred, hard-hitting account of life in the league, venturing into territory no previous football authors had the nerve to tread. Inside…