If Animals Could Talk: Guinea Pigs is narrated by two pet guinea pigs, Cody and Carlos. They reveal how they communicate through squeaks and squeals, their favorite foods, where they like to live and how they like to be held. There are also interesting Pet Facts like "Guinea pigs are not pigs at all. They are a type of rodent like a mouse, rat, or hamster." Filled with full-color photos of adorable guinea pigs, it also includes instructions a small glossary and suggested readings for more information about guinea pigs.