Told in rhyming text, Excavator, Bulldozer, Crane Truck, Dump Truck, and Cement Mixer will all need to work together as they tackle their biggest job yet--a massive building.

Life is usually easy for popular fifth grader Hart Evans, but when his music teacher puts him in charge of the holiday concert, Hart must use all of his leadership skills to unite the other students.

Macy's little sister has wings that are too small, so Eva's class decides to raise money to buy her a flying chair, and half the class opens a bakery, and the other half opens a candy store--but soon competition between the two stores becomes more important than their goal, and Eva needs to convince the other owls that they will collect more money if everyone works as a team.

One, Two, Kat, and Four want to form a club so together they figure out how to make a sign saying what their club should be called.

"The Little Guys might be small, but they aim to be mighty. As they head off to find breakfast, they can conquer anything through teamwork---cross deep waters, dig through obstacles, and climb the tallest trees. Nothing can stop them! But as they begin to amass more than they need, the creatures in the forest ponder---what happens when no one can stop the Little Guys?"--

Sam does not want Eva to add to his drawing, but when the scene comes to life and gets out of control, she helps him escape.

Class 507 is terrible, and one day, after a particularly disastrous science experiment, Ms. Bryce quits and walks out in the middle of class, and the school office never finds out--at first all the fifth graders enjoy goofing off, but after a few days that starts getting boring, and the students begin to realize that school without a teacher is not easy, cooperating is difficult, and keeping a secret is harder than they thought.

When Camille loses two teeth in one day, Ashlyn decides to cheer up her friend by throwing a party with the help from all the other WellieWishers.

When the glass kingdom begins cracking, the king and queen fail in their quest to get help from the fairy Bloom, who can work great magic but was banished because of her muddy boots and messiness, so they send Genevieve, an ordinary girl who will do what it takes to save the day.

"Hoggy hogs the ball on the court with his friends until his sisters teaches him to share"--