A mysterious villain is tripping the poor, innocent students at Dizzie Day Elementary School. They re tripping; they re flipping; they re flying through the air! Worst of all, they re losing their homeworkas they fall.The whole town is in a frenzy searching for the boot-wearing culprit . . . until one student makes a startling confession. Withvivid illustrationsand plenty of clues for readers to do their own detective workGene Barretta has created a hilarious, creepy tale about the perils (and sometime rewards!)of following the crowd."