When a mission to steal an experimental technological device brings the two girls face to face with each other, the device sparks-and the two girls switch bodies!
George and Harold's time-traveling Purple Potty lands them in a crazy place in the eighth book in this #1 New York Times bestselling series by Dav Pilkey, the author and illustrator of Dog Man!
Excitement and imagination run wild as Naomi, Melvin, Poppy, Gilbert, Curly, and their siblings get back to making comics with originality and laughter. But wait - have they cleaned their rooms yet?!
