When Lizzie's mother announces that she is going to have a baby, best friend Heather helps Lizzie deal with her fears that her stepfather will love the new baby more than he loves her.
When Lizzie's mother announces that she is remarrying, Heather wonders if her wild and unusual friendship with Lizzie will survive the preparations for the wedding.
Students in Miss Fox's class have a series of mishaps, all involving a certain visiting author, as they try to earn money for a field trip to Roller Coaster Planet.
When calamity stalks every step of the preparations for the Tappletons' Thanksgiving dinner, they realize that there is more to Thanksgiving than turkey and trimmings.