In Mates, Dates, and Sleepover Secrets, T. J.’s having an awful year. Then she is befriended by Lucy. But will Lucy’s best friends accept T. J. into their world of sleepovers, secrets, laughter, and advice? Lucy starts to feel smothered by a cute boy and actually misses life as a singleton in Mates, Dates, and Sole Survivors. And Izzie wants to be treated like an adult in Mates, Dates, and Mad Mistakes. Izzie must learn how to be true to herself without upsetting everyone along the way.