A.J. and the gang are all old enough now to participate in after-school clubs, but they’ve never heard of clubs like these. Forget Chess Club, Book Club, or Computer Club—Ella Mentry School only has wacky clubs like Lawn Mower Racing Club, Cloud Watching Club, and Underwater Hockey Club. And Miss Marge is in charge of every group! Will the kids be able to find the perfect club under these very weird circumstances?