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.

"Willis Wilbur has the entire summer in front of him. So it's time to fulfill his destiny: becoming the neighborhood life coach."--Amazon.

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 liked her just the way she was?

Wedgie and Gizmo's humans are taking their first family vacation--to a campground by a lake! And their pets are too destructive to stay home alone. Wedgie the corgi is super-excited. He can't wait to chase squirrels and poop in the woods! But Gizmo, the evil genius guinea pig, has no time for games. He must convince the forest critters to join his Evil Horde and help him take over the world--one tent at a time. Muh-hah-hah!--