Most Popular Books by Nancy E. Krulik

Katie accidentally switches places with her best friend''s baby sister, and must figure out a way to explain how the baby was able to talk without letting anyone know what really happened.

Fourth-grader Katie secretly believes that her grandfather is too old to be her partner in the school Olympics until she trades places with him for a day--thanks to the magic wind.

When they hear that their teacher, Mr. G., is cutting off his ponytail and picking up a suit, the students jump to the wrong conclusion, until Katie finds out what is really happening when she turns into Mr. G.

Katie is an ordinary third-grader—except for one extraordinary problem! She accidentally wished on a shooting star to be anyone but herself. Katie soon learns that wishes really do come true—and in the strangest way. In No Messin'' with My Lesson, Katie''s teacher, Mrs. Derkman, hopes to win the Teacher of the Year contest, but her chances do not look good when Katie turns into her teacher and cannot keep a class full of out-of-control third-graders in line. Book #11

Katie, who has never cooked a thing alone, switches into Louie the chef at a pizza parlor sponsoring a pizza-eating contest.

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.

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

After Katie goes 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.

Katie agrees to be a buddy for the new girl in class even though her best friend Suzanne does not approve.

In two stories, a magic wind changes Katie Carew into Olympic skating star Kerry Gaffigan, and then into Kerry''s boyfriend, a famous snowboarder who is in town to film a commercial.

When fourth-grade Katie turns into her unfair track coach, she gives all the members of the team a chance to compete, including the slowest runner in her class.

Best friends Katie and Suzanne are both nominated for mayor of the fourth grade, and Suzanne wants to win so much that she starts spreading mean rumors, while Katie gets an inside look at the Cherrydale mayoral race.

Fourth-grader Katie forgets to read the new book of her favorite author, Nellie Farrow, who comes to class for a discussion, but when Katie turns into Nellie, the presentation seems doomed! Includes a recipe for S''More Bananas.

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.

The class is learning about nocturnal animals--creatures of the night. But Ralphie decides Ms. Frizzle is a vampire, and he''s driving the rest of the class batty. That''s when the Magic School Bus grows wings and flies into an old castle. If they hang around bats for a while, will they find out the truth about Ms. Frizzle?

Princess Serena, who wants to be a knight instead of a princess, must perform good deeds on a Quest of Kindness to prove to her father that she deserves to go to knight school.

Jenny and Addie are running for sixth grade class president.