Caspian's UnBirthday

Every year, for his UnBirthday, Caspian's grandpa gives him an unusual present. This year, it's brown socks. Caspian is disappointed, but he wears them to breakfast with Grandpa, who spills hot chocolate on them. Before Caspian can go change, he finds himself levitating. Soon, Caspian and Grandpa are having an unusual, but very exciting adventure.