At a Vermont elementary school, April Fools' Day takes on a sinister tone when a teacher goes missing and several suspects emerge, among them the teacher's fiance and a missing mutant chick.
Readers learn about some of the many ways the holiday is celebrated around the world today, such as getting a paper fish taped to your back (France), throwing flour at your friends (Portugal), eating your meals backward by starting with dessert, and telling jokes and funny stories.
"Explains the customs and traditions connected with the merry pranks of April fooling, and provides several versions of how April Fools' Day came about."
The animals living on Mud Flat have lots of silly ideas for the perfect April Fool's Day trick. But sometimes those great jokes can backfire on the jokesters!
Arthur is supposed to do a magic show for the school assembly on April Fool's Day, but how can he remember his tricks when Binky the bully has him worried?