Your Baby Unicorn - Choose Your Own Adventure Book

When your new baby brother arrives, your parents understand that you're a little jealous. They give you something of your very own to care for--a pony named Sunny. But Sunny isn't your average pony. When the annual blueberry festival fills your town with the sweet smell of blueberries, Sunny magically transforms into a unicorn! Can you keep your new baby unicorn a secret?