Get ready for a fantastical birthday party adventure featuring a dinosaur, dragon, unicorn, pirate . . .and a spaceship full of aliens! If you want the perfect party, never, ever, ever invite this crowd of chaotic guests! The unicorn will demand sparkles and bubbles, the dragon will set fire to your decorations and the fizzy drinks will send the aliens wild! But . . .never, ever, EVER send your guests home! Because a party's only a party if you share it with your friends!