A busy backhoe loader describes all the items it hauls off a lot and all the fun it has getting dirty while doing so.

"He's a big red engine with a siren, a horn, a tank full of water, and whole lotta hose! He's a good-lookin' fire truck, and he's brave, too. When the alarm sounds, he's gotta drive through smoke and heat straight to a blazing fire!"--Front jacket flap.

A little tugboat shows how he can bring big ships into the harbor even though he is small.

A hardworking and smart school bus describes how he is responsible for safely transporting children to school.

When a wizard's spell goes awry and turns Wiglaf and his friends, Angus and Eric, into dragons, they spend a few days at Dragon Slackers Academy--a school for dragons with bad attitudes.

After a mysterious egg hatches into a baby dragon, Wiglaf and his roommate Angus decide to keep it.

While Headmaster Mordred is trying to impress a new student, who he believes to be the first female at Dragon Slayers' Academy, the ghost of one of the school's founders besieges the halls seeking his stolen gold.

Wiglaf and his classmates come to appreciate their elders when they learn that only a group of retired knights can save their school from the world's oldest living dragon, Grizzlegore--if they can get back in shape in time.

Wiglaf and his friends are on a mission to rescue Worm, the dragon they have raised from an egg, and are surprised to learn that the captor is not a gang of dragon slayers, but rather a young giantess who wants to keep Worm as her house pet.