This is a young adult title, but I highly recommend it to adults, too.
A plane full of teen beauty pageant contestants crashes on a deserted island. The girls may appear to be vapid stereotypes, but by the end both the reader and the girls have learned the complexity and depth of their characters. The story is full of adventure, humor, exploration of the girls' sexuality, reality show pirates, product placement, possible war, and an all powerful corporation. And the pageant sponsor appears to be channeling a certain ex-governor of Alaska... Carol