The magic wind turns fourth-grader Katie into Dr. Sang the dentist, and she must work on the mouth of Emma's six-year-old brother, Matthew, who is afraid of having his teeth examined.
On a field trip to an aquarium, fourth-grader Katie is changed into a clownfish just after Ms. Sweet has dropped her brand-new engagement ring into a fish tank. Includes facts about fish.
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.