From Alice and Abe to Zeb and Zipper, an alphabetical array of guests turns out for the biggest birthday party ever. But Hooper Humperdink isn’t on the guest list! Will he be able to join in the fun before it’s all over?

It’s time for the grandest, most spectacular birthday party ever! There’s ice-cream and hot dogs and strawberry soda and everyone’s invited – except Hooper Humperdink! But some parties are too good for anyone to miss…