In this book, Fawn loves practical jokes. So when her friend Beck plays a trick that scares the pixie dust off her, Fawn is impressed. She gets Beck back, and in the blink of a dragonfly's eye, the two fairies in an all-out practical joke battle! Prank follows prank, until one night someone turns all the furniture in Beck's room upside down. And it wasn't Fawn! But if Fawn didn't do it ... and Beck didn't do it ... then who did? Is there another trickster in the Home Tree?