Will the barnyard animals trick--or treat--Farmer Brown? Find out in this Halloween tale from the #1 New York Times bestselling creators of Click, Clack, Moo . Farmer Brown does not like Halloween. So he draws the shades, puts on his footy pajamas, and climbs into bed. But do you think the barnyard animals have any respect for a man in footy pajamas? No, they do not. For them, the Halloween party has just begun. And we all know these critters far prefer tricks over treats. There are big surprises in store for Farmer Brown!