Download or read book Class Confusion written by Sarah Willson and published by Turtleback Books. This book was released on 2006-06 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: For use in schools and libraries only. When Mrs. Puff is out on a sick day, Horace and SpongeBob trick the substitute teacher by pretending to be each other, causing a huge mix-up when their driving and boating tests do not match up.