After Katie decides to go to Suzanne's all-girl sleepover party instead of riding the new rollercoaster with Jeremy, Jeremy and the other boys in their class declare that all girls have cooties, so Katie tries to ease hurt feelings.

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.

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

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.

As long-awaited fourth grade starts, Katie is overwhelmed when the magic wind causes her to switch twice--first into a new classmate and then into Mr. Starkey, the school band leader.

Katie is very excited about her family's trip to London, Paris, Madrid, and Venice, but when the magic wind strikes not once, but four times, Katie's European vacation is turned upside down.

When the magic wind turns fourth-grader Katie into her friend George, who has been playing practical jokes to liven up their school, she has to figure out how to get him out of trouble and sooth everyone's hurt feelings. When the magic wind turns fourth-grader Katie into her friend George, who has been playing practical jokes to liven up their school, she has to figure out how to get him out of trouble and soothe everyone's hurt feelings.

Just before Halloween, the magic wind helps fourth-grader Katie see the truth about a "witch" who lives in a supposedly haunted house.