"A pet hamster is enticed by the family cat to venture outside his well-equipped cage to the sunroom only to very quickly discover life outside his cage is not the best for him."--

After learning about Sherlock Holmes, Humphrey the classroom hamster follows clues to try and discover why Mrs. Brisbane is gone and Mr. E, a fun but not very educational substitute, is taking her place in Room 26 at Longfellow School.

"When a mysterious growling hamster appears at the back of his class, Sam knows just what to call him: Hamstersaurus Rex. Sam tries to protect Hammie from an overzealous Hamster Monitor, and from the meanest bully in the history of Horace Hotwater Middle School. The bully isn|t afraid of some weird little class pet. But maybe he should be. Hamstersaurus Rex is no ordinary hamster."--Amazon.com

Even Mr. Bungles the teacher sometimes has a day when, no matter how hard he tries, everything seems to go wrong--including allowing the class hamster, Nibbles, to escape.

Sam desperately wants a pet. Too bad his parents don't think he's responsible enough and will barely let him keep the weird Insta-Gro animal from the HorrorLand gift shop. To prove he's responsible, Sam takes an after-school job in a pet store that sells nothing but hamsters. To his horror, Sam finds that cute little hamsters can become very UNCUTE monsters. Suddenly, Sam isn't fighting for a pet--he's fighting to survive!

On Bring Your Pet to School Day, a boy's hamster grows to enormous size after he eats all the packed lunches.

"Things are calm at last in Maple Bluffs. The evil manufacturer SmilesCorp is out of business, Hammie Rex is a new dad to three tiny mutant offspring (Stompy, Chompy, and Hatshepsut), and Sam Gibbs feels that he can resume normal life. But soon enough, things get weird. When Sam visits a toy store to buy Beefer a bar mitzvah gift, one of the toys comes alive and attacks Hammie and the babies! Who could be behind this latest diabolical scheme? Funny,...

"A fun counting board book with loveable hamsters that lead young children from numbers one through ten"--Unedited summary from book.

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.

Sam and Hammie Rex discover a terrifying giant squirrel hiding in the woods behind Horace Hotwater Middle School. But nobody else believes Squirrel Kong is real. Then Hammie Rex takes the blame for Squirrel Kong's destructive rampages, and the principal threatens to send him away to home for dangerous, troubled small pets. To save his hamster friend, can Sam prove that Squirrel Kong is the true menace?