"While Gizmo continues his quest to take over the world, Wedgie and his best friend, a micro-pig who lives next door, team up to stop him." --

Lexi the squirrel and his guinea pig friend Pee Wee, who live in Central Park, help a hungry stranger with a funny hat.

Little Whistle, a real guinea pig who lives in a store called Toytown, helps his toy friends write a letter to Santa asking if he made them.

When Katie is chosen to take the class pet, Binky the guinea pig, home for the weekend, she runs into a problem.

Ms. B. and her students try to understand what is bothering Sammy, the classroom guinea pig.

The Worrier visits Felix night after night, reminding him of what could go wrong the next day, until the night that a special birthday present changes everything.

A boy who thinks his sister's new guinea pig is a very boring pet imagines what it would be like to have a dog, a bear, or even a dragon instead.

"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...

Stink Moody, friends Webster and Sophie, and Mrs. Birdwistle visit tourist attractions in Virginia as they try to give away 101 guinea pigs rescued from a laboratory, although Stink is very reluctant to give away his favorite, Astro.

A young guinea pig describes situations that make him sad, how it feels to be sad, and how he can feel better.