Third-grader Katie Carew feels torn between her two best friends, but after wishing she were someone else, she morphs into Lucille, the lunchroom lady, and experiences life from the other side of the counter, with unexpected results.

Katie Carew's third-grade class spends three days at Science Camp, where Katie magically changes places with the strict Head Counselor while on a hike and gets her group hopelessly lost. Includes directions for making all-natural soap.

When strict Mrs. Derkman moves next door to third-grader Katie Carew, scares her friends away, and insists she keep her dog, Pepper, on a leash, Katie finds a non-magical solution to the problem. Includes steps for teaching a dog to sit and stay.

While a movie is being filmed in Cherrydale, Katie switches into Rosie Moran, a world renowned child actress.

Katie and her third-grade class go on a field trip to the natural history museum, where Katie finds herself magically transported into the body of their tour guide.

Snubbed by her best friend Suzanne, Katie magically turns into her as she is making her modelling debut at a fashion show at the mall. Includes a recipe for fruit salad.

When Katie and Suzanne learn that their favorite band, the Bayside Boys, will perform in Cherrydale, they think their biggest problem is how to get tickets, but Katie magically turns into one of the Boys and causes the band to break up.

Kevin is so involved in karate he does not have time for anything, including his friends, but then Katie turns into him during his big karate competition.

Fourth-grader Katie is concerned when an older girl uses live mice in a science fair project, but when Katie turns into the sixth-grader and has to run the experiment herself, she has a different opinion of the student.

While spending winter break at a ski lodge, beginning-skier Katie finds herself in some very complicated situations when the magic wind turns her into the ski instructor.

Thanks to the magic wind, when the unassuming Miriam (instead of the smug Suzanne) gets the leading role in the school play, Katie soon finds herself on stage, trying to sing and remember her lines. Includes directions for making fingerprint doodles.