When master prankster Miles Murphy moves to sleepy Yawnee Valley, he challenges the local, mystery prankster in an epic battle of tricks but soon the two join forces to pull off the biggest prank ever seen.

"Twelve-year-old Jacky "Ha-Ha" Hart is a class clown with a penchant for pranking--and when she's required to act in the school play to appease her frustrated teachers, she must conquer her stutter"--

Sequel to: The girls get even. The Hatford brothers cannot imagine spending Thanksgiving dinner with the Malloy sisters as the practical jokes and rivalries between the two families continue.

As the Terrible Two face the end of their time together in Yawnee Valley, they are determined to pull a prank that changes the town forever.

Bradley and Brian need help from Nate and Lucy after a hypnotist turns their mother into a duck but does not quite get her changed back.

When cousins Mike and Kate go to Kansas City for the All-Star game, they meet the son of the American League starting catcher who stands falsely accused of playing practical jokes on his All-Star teammates.

Mary McScary loves to scare people, but nothing she thinks up seems to bother her cousin, Harry McScary--but Mary will not give up trying.

"Claudia's not worried when she hears her newest baby-sitting charge, Betsy Sobak, is a great practical joker. After all, how much harm can one little girl do? Plenty. Claudia breaks her leg as a result of one of Betsy's mean jokes... and now she's talking about quitting the club. Baby-sitting, she says, is just too dangerous. Kristy thinks Betsy needs to be taught a lesson. She also thinks the Baby-sitters are just the ones to do it. Watch out, Betsy...

In the kingdom of Armpit, a young prince with a penchant for practical jokes joins a flatulent, old knight on a quest to find the silent, but deadly source of the Foul West Wind and to vanquish the monstrous Booger.

Beatrix is a witch, but her twin sister Olive is not, and when Beatrix plays one trick too many on Olive and their classmate Eddie the two decide to get back at her with a bucket of garden spiders--but when the spiders get into a growing potion and turn into giant spiders the three children have to work together to save their town.