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 Mr. Starkey, the school band leader.
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.
While her class is studying reptiles, Katie, a vegetarian, refuses to feed worms to Slinky the snake, class 4A's pet, but when the magic wind turns her into Slinky, Katie learns that some animals cannot survive on vegetables alone.
Katie discovers that the magic wind has followed her to summer camp when she suddenly turns into the baby raccoon she and a new friend have been secretly feeding, and then later gets an inside view of her cabin's bully.
Katie wants to go to Suzanne's sleepover party, but Jeremy wants her to ride the new roller coaster with him. Annoyed, Jeremy and the other boys decide that all girls have cooties. When Katie literally finds herself in Jeremy's shoes, she tries to reunite the boys and girls. Illustrations.
Whille sending 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.
When the magic wind turns fourth-grader Katie, who dislikes the "mushy gushy" of Valentine's Day, into a candy store owner, she decides to write her own "love messages" on the candy hearts.