Little Oink is a neat little pig, but his parents will not allow him to play with his friends until he is messy, as pigs should be.

Destructosaurus lays waste to a city, but he really is just looking for his teddy bear.

Olivia, who is very neat and practically perfect, despairs because her sister Sophia is super-completely and totally the messiest person, no matter where she goes or what she does.

"Angus Cairns is a brownie, a magical creature with a fastidious nature. Alex Carhart is the messiest eleven-year-old in the United States of America. Together, this unlikely pair embarks on an unforgettable adventure"--

Angus, a very messy monster who lives with his parents in Loch Ness, learns an important lesson about picking up after himself.

After failing to find his favorite sneakers in time for the big basketball game, Jumper the rabbit learns how to put his room in order by organizing his possessions.

Max's big sister Ruby is determined to help him clean up his messy room, but he keeps rescuing things that she wants to throw away.

A boy cleans up his messy room to try to find his baseball mitt.

Carlo the cat runs away because his owner, Mark, keeps his room in such a mess.

When Nana Quimby is upset by the mouse in the house, Father gets an owl, which also upsets Nana, so Mother gets a dog ... until the family ends up with an elephant in the house.