Swim the fly
Author: Calame, Don.
"Fifteen-year-old Matt Gratton and his two best friends, Coop and Sean, always set themselves a summertime goal. This year's? To see a real-live naked girl for the first time--quite a challenge, given that none of the guys has the nerve to even ask a girl out on a date. But catching a girl in the buff starts to look easy compared to Matt's other summertime aspiration: to swim the 100-yard butterfly (the hardest stroke known to God or man) as a way to impress Kelly West, the sizzling new star of the swim team"--Publisher.