Sometimes a subtitle says it all. It rained torrents in Pasadena on January 1, 1942. The 1925 game was, when you get right down to it, not the eleventh Rose Bowl, but the first Super Bowl. The South got a chance to rise again in 1926. And in 1977, 300,000 people showed up from Michigan to see the game. It costs between $10,000 and $25,000 to tack up a parade horse in silver. ""Not just any horsy can get into the Rose Parade."" From ""Iron Horse"" Bob Reynolds, who was to the history of the Rose Bowl (the authors say} what Lou Gehrig was to baseball, to Charles White, last year's rushing whiz, all the heroes of the tournament are here. In fact, there is more football minutiae than petals on one of the pregame floats. Only drier.