A YA novel titled Selling Chastity:
Abby Tennyson expects to ace the class project of “selling” an unpopular product to her peers. But when her assignment turns out to be the high school Purity Club, Abby must work with the club’s rigid president to sell chastity—not only to a wary student body, but to herself.
I’ve written about a third of it so far. Must. Keep. Writing!!