Flash of Time

In book four of Gail Cushman's Wrinkly Bits series, Flash of Time continues the adventures of Audrey and Logan and thier friends, taking them to Florida where they visit the Haciendas, a large retirement community that caters to every need. The group decides to go to the beach, a nude beach, only to discover that it wasn't (but they were). They, with Lynnie, A teacher from Hunter, Idaho, who had retired a few years earlier decides to dabble in a bit of online dating and sparks begin to fly.