In his continuing adventures, Freddy, a golden hamster who can read and write, joins his animal and human friends to save a colony of endangered field hamsters from being killed when an automobile plant is constructed on their land.

A boy's hamster leads an increasingly large group of hamsters on a tour of the boy's house, while his father counts down the minutes to bedtime.

An escaped hampster enlivens the ride on an already chaotic school bus.

When Pecos Bill's daughter gets two pet hamsters, they soon multiply into the hundreds, so Bill decides to take them all to Chicago where lots of boys and girls want pet hamsters.

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.

"Matt Hunter is expecting the latest sword-and-fantasy video game, but he's in for a disappointment when he receives a hamster for Christmas instead. A hamster called Snuffles. A hamster that dies, but somehow keeps going. A zombie hamster that has his eye on Matt"-- Provided by publisher.

While continuing to help his classmates solve their problems, Humphrey, pet hamster of Longfellow School's Room 26, faces many surprises, like rolling in a hamster ball, a substitute janitor who might be an alien, and the possibility of Mrs. Brisbane retiring.

Hot Rod Hamster enlists the help of his friend Dog to build a super sleek soap box racer for the Wacky Whatever Race.

Feline Madame Wigglesworth is outraged when her privileged position in the house is usurped by a mere dog, Grub, so she comes up with a plan to expel the humans and put the pets, namely herself, in charge--but their human-free realm soon dissolves into complete chaos as she and Grub and his lovestruck sidekick Honeybaked Hamster struggle for the presidency.

During their trail ride on all-terrain vehicles, Hot Rod Hamster and his friends stop to help Grandpa Dog and two puppies, whose vehicle has tipped over and gotten stuck in the mud.