When Room Eleven's beloved pet hamster, Patches, goes missing, Smashie and her best friend, Dontel, launch an investigation to bring the thief to justice--but they discover that there may be more than one secret to be uncovered.

Humphrey, pet hamster at Longfellow School, learns that he has an important role to play in helping his classmates and teacher.

"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"--

Fluffity is the new pet in Mr. Drake's second grade class, but the kids soon discover that, rather than the cuddly animal they expected, she is a ferocious hamster who bites and chases everyone around school.

Humphrey, the pet hamster of Longfelow School's Room 26, learns that his classroom is full of secrets, the most important of which is that a student will be leaving soon.

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.

Twelve-year-old Al Chaudhury discovers his late dad's time machine and travels back to 1984 with his pet hamster to prevent the go-kart accident that killed his father.

A hamster, with the help of a canine junkyard dealer and his mouse assistants, builts a hot rod and drives it in a race against some very large dogs.

"When Mandy, one of the students from classroom 26, brings a special hamster-sized racecar to class, it means just one thing--Humphrey is going to be in a hamster race"--