Stink Moody, friends Webster and Sophie, and Mrs. Birdwistle visit tourist attractions in Virginia as they try to give away 101 guinea pigs rescued from a laboratory, although Stink is very reluctant to give away his favorite, Astro.

One thing leads to another when you give a pig a party.

After Mercy the pig snuggles to sleep with the Watsons, all three awaken with the bed teetering on the edge of a big hole in the floor.

When a pig named Mercy arrives at the Watsons' front door, she brings love and chaos to their lives.

By admiring her finer points and showing that she can take care of herself and have fun even when there's no one else around, a charming pig proves the best friend you can have is yourself.

Oliver Pig decides to build a fort in the backyard and his friends become involved with the project as well.

When his dad takes Piggy fishing for the first time and Piggy ends up feeling sorry for the worms and the fish, they decide to make some changes.

At school, Olivia tells about her summer vacation and how, when she went to the circus and all the performers were out sick, she saved the day, becoming Olivia the Tattooed Lady, Olivia the Lion Tamer, The Amazing Flying Olivia, and more.

Describes the habits and behavior of guinea pigs.

Questions and answers show the reader that different kinds of hugs can be the answer for many situations.