"To Humphrey and the students at Longfellow School, spring seems impossibly late this year. Fortunately, planning a school Family Fun Night keeps the students (and classroom pets) busy as they look for signs of the changing seasons"--Provided by publisher.

Humphrey the classroom hamster has adventures going to the library, learning about the ocean, and sailing across a pond on a sailboat.

When summer arrives, Humphrey, the pet hamster of Longfellow School's Room 26, is surprised and pleased to learn that he will be going to Camp Happy Hollow.

When Harry, the class pet, gets out while at Amelia Bedelia's school break, Amelia and her friends must find him.

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.

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.

Harriet the hamster is desperate to be adopted, so she gives her sister Patricia and herself glamorous makeovers in hopes they will get more attention when Hamster World has its huge annual sale.

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.

Harriet Hamsterbone is trying to be the perfect princess, but life at the royal palace is dull. When she learns from her parents that she is cursed to prick her finger on a hamster wheel at the age of twelve and fall into a deep slumber, Harriet believes she is invincible until that age and sets off on an adventure with her friend Mumfrey the quail. However, when things go wrong at home, she must find a prince to help her set things right.

A collection of four Humphrey stories.