After Ruby's brother Roosevelt ruined Ruby's last slumber party with his pranks and scares, Ruby and her friends plot revenge--the kind that involves ingenuity and a lot of lipstick.
Despite a New Year's resolution to be nice to their neighbors the Malloy girls, the Hatford boys find themselves continuing their rivalry and war of practical jokes.
April Fools' Day is long and hard for the third-grade Huit octuplets, but it is nothing compared to the challenges of Tax Day, through which Jackie discovers her special power and gift and learns more about their parents' mysterious disappearance.
Evan doesn't like baby-sitting his cousin Kermit because Kermit likes to play mean practical jokes on Evan and his friend, Andy; but Andy has found something that will teach Kermit a lesson once and for all.