Jason Birchall's been bragging all week about his science fair project, alfalfa sprouts growing in a carpet square. But on the morning of the fair, Jason's super sprouts are missing. Will Miss Hershey give him a big, fat zero? And why does Eric Hagel look so sneaky? Then, during P.E., globs of rotten-smelling cheese show up in the Cul de sac Kids sneakers. Who would make such a stink? And why? ages 7 to 10.