Goodly, Lovely, Angel, Neatly, and Perfect have spent weeks planning the perfect party to celebrate Tacky's hatchday, and while nothing turns out quite as they expected, the penguins and their special guest have a wonderful time.
Tacky the exuberant penguin accidentally goes sailboarding and winds up on a tropical island, where he meets an elephant who demands proof of Tacky's identity.
Takcy the penguin and his friends perform a play for the little penguins in Mrs. Beakly's class, but with Tacky in the lead role, things do not go exactly as planned.
One side of this upside-down book celebrates all of the things grandmas do for their grandchildren. Turning the book over and around produces a similar celebration of grandpas.