The perfect bedtime book to calm your own sleepy unicorn, even on their birthday! Full of balloons, presents and birthday fun (and a sprightly unicorn and her friends), little readers will love this calming tale before bed. It's Twinkle the unicorn's birthday and she's having a sleepover party! There are party games, presents, cake, balloons and even fireworks! But as Twinkle's dad counts down to bedtime, there's still a lot going on . . . will Twinkle and her friends go to sleep in time? Finishing on a gentle end, it's the perfect bedtime tale.