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

When Hamster and his friends go looking for some cool, wet, wild fun at the Water Kingdom waterpark, Hamster and his new friend, Holly, challenge two dogs to a race down the waterslide. Can they win?

Hamtaro gets into trouble after he and his owner, Laura, move to a new home.

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

"Welcome to the story of Despereaux Tilling, a mouse who is in love with music, stories, and a princess named Pea. It is also the story of a rat called Roscuro, who lives in the darkness and covets a world filled with light. And it is the story of Miggery Sow, a slow-witted serving girl who harbors a simple, impossible wish. These three characters are about to embark on a journey that will lead them down into a horrible dungeon, up into a glittering...

When Humphrey the hamster returns to Mrs. Brisbane's class after the winter break, a new class pet and some other surprises give him an opportunity to reflect on the meaning of friendship.

Follows Hamster and his friend Dog as they prepare for a birthday party.

"Harriet Hamsterbone sets out to reverse the curse on twelve mice princesses who are forced to dance all night, every night"--

"Eleven-year old Sam befriends a hungry class hamster that undergoes a freaky transformation"--

Sam Waters is desperate to have a pet. But his parents say that first, Sam must prove he's responsible. So he takes an after-school job in a pet store called Little Shop of Hamsters. To his horror, Sam soon finds that cute, little hamsters can become very UNCUTE monsters. Suddenly, Sam isn't fighting for a pet--he's fighting to survive! Could the souvenir he got in HorrorLand have anything to do with this?