Humphrey, the pet hamster of Longfellow School's Room 26, relates the ups and downs experienced by his human classmates as they begin a project to create a model town complete with houses and community services.
Guided by the words of a prophecy, Prince Perryndon, who loves books more than swords, sets out to slay the black dragon that is destroying his kingdom.
Mallory's two best friends' parents are getting married, and Mallory fears that she will become a third wheel when Mary Ann and Joey become stepbrother and stepsister.
An Australian wombat joins the Champs baseball team, and even though he is disastrously ignorant about the game, his innate talents save everyone when a tornado suddenly strikes.