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.

"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...

Befriending a very strange new student, Toulouse, helps outsider Woodrow stand up to the class bullies who have been picking on them both.

When Crusher the snake is captured, her only thought is to escape but as time goes by and she befriends the other inmates of the "zoo," she realizes that freedom also means leaving companions behind.

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.

Eleven-year-old Nickel, a boy with a great affinity for both animals and photography, moves into an apartment building run by the strange and mysterious Mr. Beastly and discovers a secret about the other tenants.

While trying to build a tree house for guys, Ike and his best friend Buzzy argue so much that Ike builds his sister Mem a play house instead, but still misses his friend.

In France during a time of witch-hunts, in a village with a corrupt priest, thirteen-year-old Lazlo longs to be able to turn into a wolf as his parents can, but also desires the friendship of a village girl.

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.