Rufus has been dreaming of getting a dog. But his dad has a few objections. Rufuss mom actually comes home with a guinea pig. And if Rufuss dad thinks dogs are a problem, he wont know what hit him when he meets the Guinea Pig that Thinks Shes a Dog. n nRufus has been dreaming of getting a dog. His best friend has one. His worst friend has one. But his dad has a few objections: They whine. They gnaw. They bark. They scratch. They beg. They drool. Rufus pays no attention when his mom offers her think-outside-the-box suggestion, because she cant be serious. She cant be. She can be. And she actually comes home with a guinea pig. And if Rufuss dad thinks dogs are a problem, he wont know what hit him when he meets the Guinea Pig That Thinks Shes a Dog. She barks. She bites. Shell eat your homework.n