Summer is almost over, school is about to start, and Caroline feels like she doesn't have anything really exciting to share about her summer. Sure, she got a wonderful guinea pig, and she went camping with her family. But she didn't do anything big like climbing a mountain. So she decides she has to make or invent something . . . and soon!Meanwhile, two of her friends seem to have no trouble thinking of things to create.Written in journal style with illustrations based on how the author drew as a child, the Caroline's Cavy series presents young readers with a pair of believable and fun-loving new friends.