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

When it comes to stirring up a little excitement in class, Otis Spofford knows just what to do. He can turn a folk dance fiesta into a three-ring circus . . . or an arithmetic lesson into a spitball marathon. Best of all, Otis likes teasing neat, well-behaved Ellen Tebbits—until the day his teasing goes too far. Now Otis is nervous, because Ellen isn't just mad . . . she's planning something! --amazon

Kylie Jean's class is performing Alice in Wonderland and Kylie Jean knows she'd be just perfect as the Queen of Hearts, but mean girl Paula wants the part, too.

When Humphrey the hamster returns to Mrs. Brisbane's class after the winter break, a new class pet and some other surprises give him an opportunity to reflect on the meaning of friendship.

Other students laugh when Rigoberto, an immigrant from Venezuela, introduces himself but later, he meets Angelina and discovers that he is not the only one who feels like an outsider.

The new cub in Sister Bear's second grade class looks and acts so strange that Sister avoids him when he tries to make friends.

Rebelling against the changes in her mother, who is seeing a new boyfriend named Max, Amber Brown neglects her homework and her room while conspiring to get her parents back together again, a situation that is complicated when she comes to like Max.

When two middle-grade children take a shortcut home from school, they discover what looks like fuzzy mud but is actually a substance with the potential to wreak havoc on the entire world.