Katie’s friend Kevin can’t wait for his big karate match. And Kevin, who says he’s the best yellow belt in his class, thinks he’s bound to win. But when the magic wind turns Katie into Kevin just before his big match, she manages to threaten his chances of beating the competition! Will Katie be able to karate chop her way to the top?

Karate can make you stronger. Young readers will have fun learning what karate is and how to participate.

Best friends Katie and Suzanne are both nominated for mayor of the fourth grade, and Suzanne wants to win so much that she starts spreading mean rumors, while Katie gets an inside look at the Cherrydale mayoral race.

When the magic wind switches Katie into her mother just before a tap dancing audition, Katie panics, ruining her mother's big chance to appear on television.

Katie's teacher, Mrs. Derkman, hopes to win the Teacher of the Year contest, but her chances do not look good when Katie turns into her teacher and cannot keep a class full of out-of-control third-graders in line.

Fourth-grader Katie forgets to read the new book of her favorite author, Nellie Farrow, who comes to class for a discussion, but when Katie turns into Nellie, the presentation seems doomed! Includes a recipe for S'More Bananas.

The class 3A trip to the Natural History Museum is turning out to be a disaster: Many of Katie's excited classmates are acting up, and they turn on Katie and call her a goodie-goodie when she won't join in! Even worse, their tour guide, Mr. Weir, is a big meanie! Still, when Katie turns into Mr. Weir and causes a big disaster of her own, it's up to her to make things right-and save Mr. Weir's job!