Katie, an ordinary third-grader who accidentally wished on a shooting star to be anyone but herself, turns into her best friend Jeremy and tries to reconcile the boys and girls in Class 3A after the boys decide all girls have cooties.

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.

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.

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.

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

Katie Carew sees Christmas from several points of view when she suddenly changes places with her neighbor, a department store gift-wrapper, and one of Santa's elves.