Sam's favorite thing about second grade is the class pet, a hamster named George Washington, so when the class goes on a field trip to a science museum, Sam cannot resist bringing George along.

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

Lola the hamster is teased by her classmates after they learn that Lola's parents call her "babycake," "sweetie pie," and "fairy princess."

"A laugh-out-loud story about two best friends" --Front cover.

"Seven-year-old Lulu adopts a hamster and must keep it a secret from her grandmother when she and her cousin Mellie spend the night"--

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.

Max and Mo, the class hamsters, have fun after the students return from picking apples, in a story that includes instructions for making apple prints and a recipe for applesauce.

After moving to a new house, Poky the beagle befriends Charlie the hamster, who was accidentally left behind by the previous owners.

Night 1 / My life is perfect. / I have a bowl full of seeds, a cozy pile of wood shavings, and room to run. / I'm never leaving here. / Question: Who's the luckiest hamster in the world? / Answer: ME! Seymour the hamster has the perfect life. He has a spacious cage, a constant food supply, and a FuzzyBoy 360 exercise wheel that lets him run to his heart's content.

Humphrey the hamster is puzzled when unfamiliar students fill Mrs. Brisbane's classroom at summer's end, but he soon learns that his friends from last year are fine and that the new class needs his special help.