After Judy obtains a mood ring, she tries to convince herself and her third-grade classmates that she can predict the future.

Judy is excited about becoming a doctor, especially when Class 3T starts a new unit on the human body, but she learns more about being a patient when she catches tonsillitis from her little brother, Stink.

The shortest kid in the second grade, James Moody, also known as Stink, learns all about the shortest president of the United States, James Madison, when they celebrate Presidents' Day at school.

As Judy and the rest of the Virginia Dare Bookworms prepare for the Book Quiz Blowout competition against second- and third-grade readers, her team discovers the other group has a fourth-grader and worry about their chance of winning sets in.

When Judy meets Amy she finds they are so alike they are practically clones. Will Amy Same-Samey turn out to be Judy's new best friend? Will Judy remember her old best friends?

"Crumbs! Why can't every day be Saturday? Judy Moody is Monday-morning mopey. Another week in her same-old seat at her same-old desk in her same-old school. Even worse, there aren't any days off from school for ages. But when she steps into Class 3T, Judy's Monday frown turns upside down. Pop! Pop! Pop-pop-pop! Mr. Todd is making Monday special by celebrating Bubble Wrap Appreciation Day (no lie)! This gives Judy an idea that just-might-maybe turn...