When his mother brings home a guinea pig instead of the dog he has always wanted, fifth-grader Rufus is not happy--until the rodent starts acting exactly like a dog.

Discovering a smelly creature in her garbage can that she names after herself, Olga befriends and studies the eccentric Olgamus using the scientific method, the practices of Jane Goodall, and other scientific concepts.

Sneaker the snake is not only a good pet for Pete, he becomes a good student at Pete's school and a hero at the public swimming pool.

A loyal dog must make her way alone in this gripping fifth book in the second Survivors series.

From Erin Hunter, #1 nationally bestselling author of Warriors, Survivors is full of "wild and wonderful adventure" (Kirkus; starred review) that will thrill fans of Spirit Animals and Wings of Fire.

Storm is in exile—and though she's finally free of the suspicion of her Packmates, she feels more lost than ever. There

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Bobby wants a shark for his birthday, so he is disappointed when his parents get him a puppy instead--but this puppy turns out to be a bit of a shark herself.

When nine-year-old Logan discovers that aliens are abducting pet dogs, he and his friends form the Intergalactic Canine Rescue Unit, and Logan stows away on a spaceship in hopes of saving man's best friend.

"The laughs continue when Fido, the guinea pig that thinks she's a dog, has a pup that thinks she's a squirrel. A sequel to Guinea Dog"-- When his classmates learn about Fido, the guinea pig that acts like a dog, they all want a piece of Rufus, her owner. But Rufus hates the attention, and decides to make Fido learn how to be an actual guinea pig. But when she goes missing, he feels terrible. Was she lost, or did she run away, because he no longer...

For the well-meaning Henry Huggins, nothing ever works out quite as planned including getting the bike of his dreams. Luckily his pal Beezus Quimby is there to help! Henry's attempts at raising money for his bike fund keep falling flat. Selling bubble gum on the playground gets him in trouble with his teacher, and then Ribsy's nose for mischief almost ruins Henry s paper route. Even pesky little Ramona Quimby manages to get in the way of Henry's chance...

With the help of a very special pit bull puppy, twelve-year-old Hannah adjusts to moving from Michigan to California and makes friends, despite the birthmark that makes her self-conscious. Poppy the dog has too much energy, and her elderly owner can keep her only if she can be trained. When twelve-year-old Hannah moves to the coast of Northern California, she thinks she can help turn this rambunctious puppy into the good dog she knows Poppy is. But...

Young Mildred Hubble, an apprentice witch with a reputation for being the worst student at Miss Cackle's Academy for Witches, smuggles her cat Tabby on a class trip to Gloomy Cove with unexpected results.