Vashti believes that she cannot draw, but her art teacher's encouragement leads her to change her mind and she goes on to encourage another student who feels the same as she had.

When Judy Moody gets serious about protecting the environment, her little brother Stink thinks she is overdoing it, but she manages to inspire her third grade class to undertake an award-winning, environment-saving project.

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 relinquish his favorite, Astro.

Stink and his friends try to earn money to buy the latest book in the Nightmare on Zombie Street series and go to the book release party.

Judy Moody's family vacation to historical Boston prompts an epiphany: If the founding fathers didn't want "some grumpy old king to be the boss of [them]," why should Judy put up with dictatorial parents? Back at home she campaigns for her "alien rights," among them a higher allowance and freedom from brushing her hair. Shortly after Judy learns about Revolutionary War hero Sybil Ludington--Paul Revere's female counterpart--she finds herself instinctively...

Judy Moody's new friendship with Amy Namey causes problems with her old friends and the school project they are working on together.

When Stink discovers that Pluto has been downgraded from a planet to a dwarf planet, he launches a campaign in his classroom to restore its status to that of a full-fledged member of the solar system.