"The lucky penny in Judy Moody's pocket sure does seem to be working. She can't stop winning-at bowling, spelling, the unbeatable Prize Claw, everything! For sure and absolute positive, she'll ride that wave of good fortune all the way to Washington, D.C."--
After second-grader Stink gets an unsatisfactory grade in physical education, his parents tell him he must play a sport and so he masters thumb wrestling, as seen on a sports channel.
While older sister Alex is trying to orchestrate a perfect first kiss with her heartthrob and younger sister Joey prefers frogs to boys, Stevie Reel wonders if she is ready for a boyfriend while being pursued by a new boy in her class.
In Acton, Oregon, sisters Alex, Stevie, and Joey take turns telling about their lives, including auditioning for the same part in the school musical, baking contest-worthy cupcakes, and becoming obsessed with "Little Women."