As Christmas nears, Amy and her friends in the Critter Club try to find a home for two adorable guinea pigs.

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

When Mistletoe the mouse sees something spooky in Room 4-B, the rest of the Class Pets Club think she's just caught up in the spirit of Halloween. But Fuzzy decides to investigate--and gets a fur-raising surprise! So the club cooks up a mission: Scare away the specter before it freaks out the kids. After all, they might be pets--but they aren't chicken!

Felix feels bad and does not want to eat or play, so his mother takes him to Doctor Duck, who makes everything better.

A tale of twenty adventurous guinea pigs on sea and land illustrates the process of subtraction as their numbers dwindle.

Although Gullible Guineapig believes everything his aunt, uncle, and cousin tell him, they dismiss his warning about what is in the basement.

Fluffy saves the day, learns to swim, and more in this collection of stories about our favorite classroom guinea pig.

A little guinea pig is quite lonely until, one by one, nine others, plus ten of their moms or dads, add to the general excitement.

A young guinea pig describes situations that make him miss his parents, how it feels to miss them, and what he can do to feel better.