Book excerpt: The class pets are ready for Halloween -- but are their classrooms haunted? Fuzzy is totally freaked out! Fuzzy has a great new plan as the Adventure Director of the Class Pets Club -- the pets are going to join the Halloween Parade with their kids! In disguises, of course. Finally, they won't be missing all the fun! But then spooky things start happening, and not in a fun, Halloween way. Is Leo Gumpus Elementary... haunted? And if so, what's an adventurous guinea pig going to do about it?