Flower's breezy debut introduces a quirky heroine—India Hayes, a librarian at Martin College in Stripling, Ohio, who's also an artist. India agrees, yet again, to be a bridesmaid, this time for her childhood friend, Olivia Blocken, for whom her brother, Mark, an assistant professor at Martin, still carries a torch. After Olivia left Stripling for college elsewhere, Mark suffered a breakdown and...